Twin Falls County, Idaho

Geography

According to the United States Census Bureau, the county has a total area of 1928 sqmi, of which 1921 sqmi is land and 7.1 sqmi (0.4%) is water.

Adjacent counties

• Gooding County - north
• Jerome County - northeast
• Cassia County - east
• Elko County, Nevada - south/Pacific Time Border
• Owyhee County - west
• Elmore County - northwest

Major highways

• [[Image:US 30.svg|25px]] US 30
• [[Image:US 93.svg|25px]] US 93
• [[Image:Idaho 50.svg|25px]] SH-50
• [[Image:Idaho 74.svg|25px]] SH-74

National protected areas

• Hagerman Fossil Beds National Monument
• Sawtooth National Forest (part)

Demographics

|align-fn=center 1790–1960, 1900–1990, 1990–2000, 2010–2020,

2020 census

As of the 2020 census, the county had a population of 90,046 and a median age of 35.8 years. 27.3% of residents were under the age of 18 and 16.5% were 65 years of age or older. For every 100 females there were 98.1 males, and for every 100 females age 18 and over there were 96.1 males age 18 and over.

There were 32,761 households in the county, of which 34.4% had children under the age of 18 living with them and 23.3% had a female householder with no spouse or partner present. About 24.5% of all households were made up of individuals and 10.8% had someone living alone who was 65 years of age or older.

There were 34,693 housing units, of which 5.6% were vacant. Among occupied housing units, 68.0% were owner-occupied and 32.0% were renter-occupied, with homeowner and rental vacancy rates of 1.1% and 5.8%, respectively.

The racial makeup of the county was 80.2% White, 1.2% Black or African American, 1.0% American Indian and Alaska Native, 1.6% Asian, 0.2% Native Hawaiian and Pacific Islander, 7.1% from some other race, and 8.7% from two or more races. Hispanic or Latino residents of any race comprised 16.9% of the population.

65.3% of residents lived in urban areas, while 34.7% lived in rural areas.

2010 census

As of the 2010 census, there were 77,230 people, 28,760 households, and 19,954 families living in the county.{{cite web |access-date=January 9, 2016 |archive-url=https://archive.today/20200213021400/http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_DP/DPDP1/0500000US16083 |archive-date=February 13, 2020 |url-status=dead |access-date=January 9, 2016 |archive-url=https://archive.today/20200213193155/http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_SF1/GCTPH1.CY07/0500000US16083 |archive-date=February 13, 2020 |url-status=dead |access-date=January 9, 2016 |archive-url=https://archive.today/20200213013334/http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP02/0500000US16083 |archive-date=February 13, 2020 |url-status=dead

Of the 28,760 households, 35.4% had children under the age of 18 living with them, 54.1% were married couples living together, 10.5% had a female householder with no husband present, 30.6% were non-families, and 24.3% of all households were made up of individuals. The average household size was 2.65 and the average family size was 3.16. The median age was 34.4 years.

The median income for a household in the county was $42,455 and the median income for a family was $49,188. Males had a median income of $35,777 versus $26,257 for females. The per capita income for the county was $19,892. About 10.6% of families and 13.0% of the population were below the poverty line, including 16.9% of those under age 18 and 10.7% of those age 65 or over.{{cite web |access-date=January 9, 2016 |archive-url=https://archive.today/20200213031330/http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP03/0500000US16083 |archive-date=February 13, 2020 |url-status=dead

2000 census

As of the 2000 census, there were 64,284 people, 23,853 households, and 16,959 families living in the county. The population density was 33 PD/sqmi. There were 25,595 housing units at an average density of 13 /mi2. The racial makeup of the county was 92.47% White, 0.19% Black or African American, 0.71% Native American, 0.76% Asian, 0.08% Pacific Islander, 3.77% from other races, and 2.02% from two or more races. 9.37% of the population were Hispanic or Latino of any race. 17.9% were of German, 17.7% English, 10.9% American and 7.3% Irish ancestry.

There were 23,853 households, out of which 34.70% had children under the age of 18 living with them, 58.00% were married couples living together, 9.20% had a female householder with no husband present, and 28.90% were non-families. 23.60% of all households were made up of individuals, and 10.40% had someone living alone who was 65 years of age or older. The average household size was 2.64 and the average family size was 3.13.

In the county, the population was spread out, with 27.90% under the age of 18, 10.40% from 18 to 24, 26.00% from 25 to 44, 21.50% from 45 to 64, and 14.30% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 96.50 males. For every 100 females age 18 and over, there were 93.70 males.

The median income for a household in the county was $34,506, and the median income for a family was $39,886. Males had a median income of $30,058 versus $20,825 for females. The per capita income for the county was $16,678. About 9.10% of families and 12.70% of the population were below the poverty line, including 16.00% of those under age 18 and 9.30% of those age 65 or over.

Communities

Cities

• Buhl
• Castleford
• Filer
• Hansen
• Hollister
• Kimberly
• Murtaugh
• Twin Falls

Unincorporated communities

• Amsterdam
• Artesian City
• Caldron Linn
• Clover
• Curry
• Deep Creek
• Fairview
• Godwin
• Knull
• Peavey
• Milner Dam (Extends into) Cassia County and Jerome County
• Rock Creek
• Rogerson

Politics

Twin Falls County leans heavily Republican; it has not voted for a Democratic presidential nominee since 1936, and even in the Democratic landslide of 1964 Barry Goldwater still carried Twin Falls by 20 percentage points.

Education

School districts include:

• Bliss Joint School District 234
• Buhl Joint School District 412
• Cassia County Joint School District 151
• Castleford School District 417
• Filer School District 413
• Hagerman Joint School District 233
• Hansen School District 415
• Kimberly School District 414
• Murtaugh Joint School District 418
• Three Creek Joint Elementary School District 416
• Twin Falls School District 411

The county is in the catchment area, and the taxation zone, for College of Southern Idaho.

Notes

References

References

1. "State & County QuickFacts". United States Census Bureau.
2. "Find a County". National Association of Counties.
3. Hayes, Anna Hansen. (April 19, 1962). "Water turned desert into a Magic Valley". Lewiston Morning Tribune.
4. [http://www.state.id.us/aboutidaho/county/twinfalls.html Idaho.gov - Twin Falls County] {{webarchive. link. (September 25, 2009 accessed May 29, 2009)
5. (February 12, 2011). "US Gazetteer files: 2010, 2000, and 1990". [[United States Census Bureau]].
6. "County Population Totals and Components of Change: 2020-2024". United States Census Bureau.
7. "U.S. Decennial Census". United States Census Bureau.
8. "Historical Census Browser". University of Virginia Library.
9. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau.
10. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau.
11. (2021). "2020 Decennial Census Demographic Profile (DP1)".
12. (2021). "2020 Decennial Census Redistricting Data (Public Law 94-171)".
13. (2023). "2020 Decennial Census Demographic and Housing Characteristics (DHC)".
14. Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections".
15. "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Twin Falls County, ID". [[U.S. Census Bureau]].
16. (2016). "Legislative Budget Book". [[Idaho Legislature]].