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Rensselaer County, New York
County in New York, United States
County in New York, United States
| Field | Value |
|---|---|
| county | Rensselaer County |
| state | New York |
| type | County |
| seal | Seal of Rensselaer County, NY.svg |
| flag | Flag of Rensselaer County, New York.png |
| founded | |
| named for | Kiliaen van Rensselaer |
| seat wl | Troy |
| largest city wl | Troy |
| area_total_sq_mi | 665 |
| area_land_sq_mi | 652 |
| area_water_sq_mi | 13 |
| area percentage | 1.9 |
| census yr | 2020 |
| pop | 161133 |
| density_sq_mi | 247.0 |
| time zone | Eastern |
| district | 19th |
| district2 | 20th |
| ex image | RensselaerCountyCourtHouse.jpg |
| ex image cap | Rensselaer County Courthouse |
| web | www.rensco.com |
| coordinates |
Rensselaer County is a county in the U.S. state of New York. As of the 2020 census, the population was 161,130. Its county seat is Troy. The county is named in honor of the family of Kiliaen van Rensselaer, the original Dutch owner of the land in the area. The county is part of the Capital District region of the state.
Rensselaer County is part of the Albany-Schenectady-Troy, NY Metropolitan Statistical Area.
History

The area that is now Rensselaer County was inhabited by the Algonquian-speaking Mohican Indian tribe at the time of European encounter. Kiliaen van Rensselaer, a Dutch jeweler and merchant, purchased the area in 1630 and incorporated it in his patroonship Rensselaerswyck. (It was part of the Dutch colony New Netherland).
The land passed into English rule in 1664; the Dutch regained control in 1673, but the English took it back in 1674. Until 1776, the year of American independence, the county was under English or British control. The county was not organized as a legal entity until after the Revolution, in 1791, when it was created from an area that was originally part of the very large Albany County.
In 1807, in a county re-organization, the rural sections of Troy were set off as Towns, and the city was incorporated. The two towns created were Brunswick (named for Duke Friedrich Wilhelm of Braunschweig-Lüneburg) and Grafton (named for Henry FitzRoy, 5th Duke of Grafton). A third town, Philipstown, was set off in 1806. In 1808, it was renamed Nassau after the duke of that area.
Geography
According to the U.S. Census Bureau, the county has a total area of 665 sqmi, of which 652 sqmi is land and 13 sqmi (1.9%) is water.
Rensselaer County is located in the far eastern part of New York State. The eastern boundary of the county runs along the New York–Vermont and New York–Massachusetts borders.
The terrain runs from level and flat near the Hudson and then rises into the Rensselaer Plateau around Poestenkill and Sand Lake, then to the Taconic Mountains along the Massachusetts state line.
The highest point is Berlin Mountain, 2818 ft above sea level, in the town of Berlin. The lowest point is 62 ft above sea level at the Hudson River's southernmost extent in the county.
The Hoosic River, a tributary of the Hudson River, is in the northern part of the county.
Depending on precise location within the county, road travel distance to New York City ranges between 132 and.
Adjacent counties
- Washington County — north
- Bennington County, Vermont — northeast
- Berkshire County, Massachusetts — east
- Columbia County — south
- Greene County — southwest
- Albany County — west
- Saratoga County — northwest
Demographics
|align-fn=center 1790-1960 1900-1990 1990-2000 2010-2020
2020 census
| Race / Ethnicity (NH = Non-Hispanic) | title=1980 Census of Population - General Population Characteristics - New York - Table 15 - Persons by Race and Table 16 - Total Persons and Spanish Origin Persons by Type of Spanish Origin and Race (p. 34/29-34/70) | url=https://www2.census.gov/prod2/decennial/documents/1980/1980censusofpopu80134unse_bw.pdf | website=United States Census Bureau | page=}} | title=1990 Census of Population - General Population Characteristics - New York - Table 3 - Race and Hispanic Origin | url=https://www2.census.gov/library/publications/decennial/1990/cp-1/cp-1-34-1.pdf | website=United States Census Bureau | page=45-215}} | title=P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Rensselaer County, New York | url=https://data.census.gov/table?g=050XX00US36083&tid=DECENNIALSF12000.P004 | website=United States Census Bureau | access-date= }} | title=P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Rensselaer County, New York | url=https://data.census.gov/cedsci/table?q=p2&g=050XX00US36083&tid=DECENNIALPL2010.P2 | website=United States Census Bureau | access-date= }} | Pop 2020 | % 1980 | % 1990 | % 2000 | % 2010 | % 2020 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| White alone (NH) | 145,390 | 144,946 | 137,562 | 136,555 | 124,600 | 95.67% | 93.86% | 90.18% | 85.65% | 77.33% | ||||||||||||
| Black or African American alone (NH) | 4,038 | 5,024 | 6,870 | 9,592 | 11,800 | 2.66% | 3.25% | 4.50% | 6.02% | 7.32% | ||||||||||||
| Native American or Alaska Native alone (NH) | 175 | 269 | 306 | 283 | 310 | 0.12% | 0.17% | 0.20% | 0.18% | 0.19% | ||||||||||||
| Asian alone (NH) | 818 | 2,177 | 2,595 | 3,469 | 5,711 | 0.54% | 1.41% | 1.70% | 2.18% | 3.54% | ||||||||||||
| Native Hawaiian or Pacific Islander alone (NH) | x | x | 19 | 25 | 17 | x | x | 0.01% | 0.02% | 0.01% | ||||||||||||
| Other race alone (NH) | 393 | 149 | 233 | 241 | 706 | 0.26% | 0.10% | 0.15% | 0.15% | 0.44% | ||||||||||||
| Mixed race or Multiracial (NH) | x | x | 1,728 | 3,184 | 8,504 | x | x | 1.13% | 2.00% | 5.28% | ||||||||||||
| Hispanic or Latino (any race) | 1,152 | 1,864 | 3,225 | 6,080 | 9,482 | 0.76% | 1.21% | 2.11% | 3.81% | 5.88% | ||||||||||||
| Total | 151,966 | 154,429 | 152,538 | 159,429 | 161,130 | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% |
2010 census
As of the census of 2010, there were 159,429 people, 62,694 households, and 39,989 families residing in the county. The population density was 233 PD/sqmi. There were 69,120 housing units at an average density of 109 /mi2. The racial makeup of the county was 88.73% White, 7.14% Black or African American, 0.23% Native American, 1.71% Asian, 0.02% Pacific Islander, 0.89% from other races, and 1.34% from two or more races. 5.01% of the population were Hispanic or Latino of any race. 22.3% were of Irish, 14.7% Italian, 12.8% German, 7.5% English, 6.2% French, 5.3% American and 2.3% Puerto Rican ancestry according to Census 2010. 95.4% spoke English and 2.7% Spanish as their first language.
There were 61,094 households, out of which 33.30% had children under the age of 18 living with them, 46.80% were married couples living together, 12.00% had a female householder with no husband present, and 34.80% were non-families. 27.90% of all households were made up of individuals, and 10.30% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 3.02.
In the county, the population was spread out, with 24.20% under the age of 18, 10.10% from 18 to 24, 29.10% from 25 to 44, 23.00% from 45 to 64, and 13.60% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 95.90 males. For every 100 females age 18 and over, there were 93.70 males.
The median income for a household in the county was $42,905, and the median income for a family was $52,864. Males had a median income of $36,666 versus $28,153 for females. The per capita income for the county was $21,095. About 6.70% of families and 9.50% of the population were below the poverty line, including 11.90% of those under age 18 and 6.60% of those age 65 or over.
Government and politics

|}
From 1884 through the 1988 campaign, voters in Rensselaer County chiefly supported the Republican candidate. Donald Trump carried the county in 2016.
Beginning in 1791, Rensselaer County was governed by a Board of Supervisors, which acted as the Legislature, with the chairman of the board serving as a de facto Executive. The Board of Supervisors form of government was terminated as a result of a class action lawsuit brought by Troy attorney Marvin I. Honig on behalf of his wife, Nedda, during March 1968. Mr. Honig brought this lawsuit to declare that the Board of Supervisors, as constituted, violated the "one man, one vote" principal declared by the United States Supreme Court. Mr. Honig's motive in bringing the lawsuit was to punish the Rensselaer County Republican Party chairman and certain members of the Board of Supervisors for defaulting on an agreement with him. The NY Supreme Court ruled in Honig's favor, and ordered the creation of a legislative body. Several plans were offered, but a plan proposed by Honig was adopted by the Court, and its decision was affirmed by the Appellate Division and Court of Appeals. The first "Honig Plan" was drawn to favor the Democratic party, which had not had control of the county government in decades. That plan, which controlled the 1969 election, resulted in the Democrats winning control of the new Rensselaer County Legislature. Thereafter, following a change of leadership in the Republican party, Honig brought a new plan, drawn to favor Republican candidates, to the court, which adopted his revised plan. The second "Honig Plan" was affirmed by the Appellate Division and the Court of Appeals. The Republican candidates won back the County Legislature in the 1971 election, and Honig became the Renssselaer County Attorney, a position he held for well over a decade. A full explanation of the creation of the Rensselaer County Legislature can be found in the November 2021 entry at nassau-stories.blogspot.com See also: The Troy Record, July 8, 1971, page 1.
In 1970, the Rensselaer County Legislature was created, which elected Edward J. "Ned" Quinn as chairman. Th. e chairman served as the equivalent to an executive until the office of County Executive was created in 1972. Since its creation, Democrats have never won the office, although they controlled the Legislature until 1994. One notable candidate for Executive was Edward Pattison who was later elected to Congress, and whose son Mark served two terms as Mayor of Troy. The current county executive is Steve McLaughlin (R).
Legislative authority is vested in the County Legislature, which consists of 19 members representing 17 different communities, separated into six districts. The current composition of the Legislature is as follows (ten Republicans, six Democrats, two Conservatives who caucus with the Republicans, and one Independent who caucuses with the Republicans):
District 1 – City of Troy:
- Cynthia B. Doran (D), Deputy Minority Leader
- Mark J. Fleming (D)
- Peter D. Grimm (D), Minority Leader
- Nina M. Nichols (D)
- Carole C. Weaver (D)
- Ken Zalewski (D)
District 2 – East Greenbush, North Greenbush, and Poestenkill:
- Robert W. Bayly (R), Vice Chairperson for Finance
- Leon B. Fiacco (R)
- Thomas Grant (R)
- Kelly Hoffman (C), Chairwoman
District 3 – Brunswick, Pittstown, and Schaghticoke:
- Dan Casale (R)
- Kenneth H. Herrington (R), Majority Leader
- William Maloney (R)
District 4 – Nassau, Sand Lake, and Schodack:
- Wayne Gendron (R)
- Thomas Choquette (B)
- Robert R. Loveridge (R), Vice Chairperson
District 5 – Berlin, Grafton, Hoosick, Hoosick Falls, Petersburgh, and Stephentown:
- Bruce Patire (R)
- Jeffrey Wysocki (R)
District 6 – City of Rensselaer:
- Brian Stall (C)
| Name | Party | Term | |
|---|---|---|---|
| William J. Murphy | Republican | January 1, 1974 – December 31, 1985 | |
| John L. Buono | Republican | January 1, 1986 – May 1995 | |
| Henry F. Zwack | Republican | May 1995 – May 13, 2001 | |
| Kathleen M. Jimino | Republican | May 2001 – December 31, 2017 | |
| Steven F. McLaughlin | Republican | January 1, 2018 – present |
the current sheriff is Patrick A. Russo. Notably, Russo was the only sheriff in the state to embrace Immigration and Nationality Act Section 287(g), which authorizes local and county law enforcement to detain undocumented immigrants.
Education
The county is serviced by 16 school districts. Some are completely contained in the county while some cross county lines into other counties. No school districts cross either the Vermont or Massachusetts state borders. Below is a table that shows the districts within the county, which BOCES they belong to, and which other counties they may serve.
| District | BOCES | Other counties |
|---|---|---|
| district serves | ||
| Averill Park Central School District | Questar III | None |
| Berlin Central School District | Questar III | None |
| Brunswick (Brittonkill) Central School District | Questar III | None |
| Cambridge Central School District | WSWHE BOCES | Washington County |
| East Greenbush Central School District | Questar III | Columbia County |
| Hoosic Valley Central School District | Questar III | Washington County |
| Hoosick Falls Central School District | N/A | Washington County |
| Ichabod Crane Central School District | Questar III | Columbia County |
| Lansingburgh Central School District | Questar III | None |
| Mechanicville City School District | WSWHE BOCES | Saratoga County |
| New Lebanon Central School District | Questar III | Columbia County |
| North Greenbush Common School District | Questar III | None |
| Rensselaer City School District | Questar III | None |
| Schodack Central School District | Questar III | Columbia County |
| Troy City School District | Capital Region Boces | None |
| Wynantskill Union Free School District | Questar III | None |
The county is also home to Rensselaer Polytechnic Institute, the oldest operating technological college in America.
Communities
Larger Settlements
| # | Location | Population | Type |
|---|---|---|---|
| 1 | Troy† | 51,401 | City |
| 2 | Rensselaer | 9,210 | City |
| 3 | East Greenbush | 6,266 | CDP |
| 4 | Hampton Manor | 5,423 | CDP |
| 5 | Wynantskill | 4,050 | CDP |
| 6 | Hoosick Falls | 3,216 | Village |
| 7 | West Sand Lake | 2,616 | CDP |
| 8 | Averill Park | 2,098 | CDP |
| 9 | Castleton-on-Hudson (Castleton) | 1,477 | Village |
| 10 | Nassau | 1,103 | Village |
| 11 | Poestenkill | 1,020 | CDP |
| 12 | Nassau Lake | 1,004 | CDP |
| 13 | East Nassau | 559 | Village |
| 14 | Schaghticoke | 527 | Village |
| 15 | Valley Falls | 510 | Village |
† - County seat
Towns
- Berlin
- Brunswick
- East Greenbush
- Grafton
- Hoosick
- Nassau
- North Greenbush
- Petersburgh
- Pittstown
- Poestenkill
- Sand Lake
- Schaghticoke
- Schodack
- Stephentown
Hamlets
- Cherry Plain
- Cropseyville
- Defreestville
- Eagle Bridge
- East Schodack
- Johnsonville
- Melrose
- Schodack Center
- Speigletown
- Taborton
- Wyomanock
Notes
References
References
- "US Census 2020 Population Dataset Tables for New York". United States Census Bureau.
- "U.S. Census Bureau QuickFacts: Rensselaer County, New York". United States Census Bureau.
- "Find a County". National Association of Counties.
- (1630). "Freedoms, as Given by the Council of the Nineteen of the Chartered West India Company to All those who Want to Establish a Colony in New Netherland".
- The [[Kingdom of England]] existed until the [[Acts of Union 1707]], when [[Scotland]] and England (including [[Wales]]) came together to form the [[Kingdom of Great Britain]].
- "Rensselaer County History". Rensselaer County Historical Society.
- (N.Y. Laws 1791, 14th sess., ch. 4/p. 201).
- (August 22, 2012). "2010 Census Gazetteer Files". United States Census Bureau.
- "U.S. Decennial Census". United States Census Bureau.
- "Historical Census Browser". University of Virginia Library.
- "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau.
- "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau.
- "1980 Census of Population - General Population Characteristics - New York - Table 15 - Persons by Race and Table 16 - Total Persons and Spanish Origin Persons by Type of Spanish Origin and Race (p. 34/29-34/70)".
- "1990 Census of Population - General Population Characteristics - New York - Table 3 - Race and Hispanic Origin".
- "P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Rensselaer County, New York".
- "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Rensselaer County, New York".
- "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Rensselaer County, New York".
- included in the Asian category in the 1980 Census
- included in the Asian category in the 1990 Census
- not an option in the 1980 Census
- not an option in the 1990 Census
- "U.S. Census website". [[United States Census Bureau]].
- Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections".
- "Sheriff – Rensselaer County".
- Robbins, Liz. (March 20, 2018). "A Lone New York Sheriff Signs Up to Aid Immigration Crackdown". The New York Times.
- Dave Lucas. (July 29, 2019). "Activists Suing Rensselaer County Over Plan To Provide Voter Information To ICE".
- (September 25, 2021). "Rensselaer County sheriff responds to complaint filed against jail, ICE".
- [http://www.cdrpc.org/RenCoSch.gif Rensselaer County School Districts.] {{webarchive. link. (February 7, 2009 [http://www.cdrpc.org/ Capital District Regional Planning Commission.] Retrieved October 14, 2008.)
- [https://www.questar.org/about_us/comp_district.htm Questar III Component School Districts.] {{webarchive. link. (July 7, 2010 [http://www.questar.org Questar III.] Retrieved October 14, 2008.)
- [http://wswheboces.org/component_schools.htm Washington-Saratoga-Warren-Hamilton-Essex BOCES Component Districts.] {{Webarchive. link. (December 22, 2008 [http://wswheboces.org/ Washington-Saratoga-Warren-Hamilton-Essex BOCES.] Retrieved October 14, 2008.)
- "Doane Stuart School Profile - Rensselaer, New York (NY)".
- "RPI History". Rensselaer Polytechnic Institute }} Note: a possible competitor for this title is the United States Military Academy (USMA) at West Point, which claims to have the oldest engineering department in the US {{Cite web.
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