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Twin Falls County, Idaho

Twin Falls County profile, demographic data, and geographic information.

Twin Falls County is a county located in Idaho, United States of America. As of official census estimates, it has a reported population of 97,539. The land area covers 1,921.73 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Twin Falls County
Official Title: Chairman
Address: PO BOX 126, TWIN FALLS ID 83303-0126

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 97,539 — 2025 / Census
Median Age 36.1 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 34,754 ±360 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 36,429 ±72
Occupied Housing Units 34,754 ±360
Vacant Housing Units 1,675 ±344
Median Home Value $337,900 ±$8,873
Median Gross Rent $1,089 ±$35
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $67,409 ±$3,701
Per Capita Income $35,344 ±$1,840
Poverty Rate 11.5% ±1.5%
Population Below Poverty Level 10,603 ±1,393
Unemployment Rate 3% ±0.8%
Civilian Labor Force, Employed 44,973 ±985
Broadband Internet Rate 91.1% ±1.4%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at TWIN FALLS SUN VLY RGNL AP, ID US, located 12.8 miles from Twin Falls County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 37.0° 21.1° 29.1° 0.95" —
February 41.8° 23.8° 32.8° 0.68" —
March 52.2° 29.7° 40.9° 0.98" —
April 58.7° 34.3° 46.5° 1.13" —
May 68.7° 42.2° 55.4° 1.46" —
June 78.2° 49.4° 63.8° 0.99" —
July 88.4° 57.7° 73.0° 0.31" —
August 86.8° 55.8° 71.3° 0.43" —
September 76.4° 47.1° 61.8° 0.53" —
October 62.3° 36.4° 49.3° 0.77" —
November 47.2° 26.0° 36.6° 0.82" —
December 36.9° 20.1° 28.5° 1.23" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 16083. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.