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Bonneville County, Idaho

Bonneville County profile, demographic data, and geographic information.

Bonneville County is a county located in Idaho, United States of America. As of official census estimates, it has a reported population of 135,771. The land area covers 1,865.96 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Bonneville County
Official Title: County Clerk
Address: 605 N CAPITAL AVE, IDAHO FALLS ID 83402-3582

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 135,771 — 2025 / Census
Median Age 33.6 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 44,184 ±433 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 47,489 ±81
Occupied Housing Units 44,184 ±433
Vacant Housing Units 3,305 ±411
Median Home Value $368,800 ±$7,397
Median Gross Rent $1,133 ±$38
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $79,068 ±$2,671
Per Capita Income $35,922 ±$1,309
Poverty Rate 9.8% ±1.2%
Population Below Poverty Level 12,487 ±1,494
Unemployment Rate 4.6% ±0.6%
Civilian Labor Force, Employed 58,859 ±1,034
Broadband Internet Rate 92.9% ±1.2%
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 IDAHO FALLS 16 SE, ID US, located 8.9 miles from Bonneville County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 30.7° 13.9° 22.3° 1.78" 17.0"
February 33.9° 15.2° 24.6° 1.16" 11.8"
March 42.3° 23.6° 32.9° 1.39" 7.6"
April 51.2° 29.2° 40.2° 1.64" 2.9"
May 61.8° 36.7° 49.2° 2.17" 0.9"
June 70.7° 42.9° 56.8° 1.37" 0.2"
July 80.9° 49.5° 65.2° 0.85" 0.0"
August 79.4° 47.7° 63.5° 0.89" 0.0"
September 69.6° 40.1° 54.9° 1.38" 0.0"
October 55.5° 30.3° 42.9° 1.41" 1.7"
November 41.1° 21.1° 31.1° 1.40" 7.6"
December 30.3° 13.2° 21.7° 1.88" 16.0"
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: 16019. • 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.