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Jasper County, Iowa

Jasper County profile, demographic data, and geographic information.

Jasper County is a county located in Iowa, United States of America. As of official census estimates, it has a reported population of 38,153. The land area covers 730.43 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Jasper County
Official Title: Chairman
Address: 101 1ST ST N, STE 203, NEWTON IA 50208-3227

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 38,153 — 2025 / Census
Median Age 41.3 yrs ±0.6 2020-2024 / Census ACS 5-Year 2024
Total Households 15,010 ±265 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 16,249 ±59
Occupied Housing Units 15,010 ±265
Vacant Housing Units 1,239 ±261
Median Home Value $186,300 ±$10,145
Median Gross Rent $836 ±$34
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $71,311 ±$2,918
Per Capita Income $39,394 ±$1,978
Poverty Rate 8.3% ±1.2%
Population Below Poverty Level 2,999 ±449
Unemployment Rate 5.7% ±1.2%
Civilian Labor Force, Employed 17,885 ±497
Broadband Internet Rate 90.4% ±1.8%
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 NEWTON, IA US, located 2.2 miles from Jasper County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 28.0° 10.4° 19.2° 0.93" 9.2"
February 33.0° 14.4° 23.7° 1.10" 6.0"
March 46.4° 25.8° 36.1° 2.06" 4.5"
April 60.4° 37.1° 48.8° 3.44" 0.8"
May 71.4° 49.8° 60.6° 4.84" 0.0"
June 81.2° 60.0° 70.6° 5.01" 0.0"
July 84.6° 63.8° 74.2° 3.93" 0.0"
August 82.5° 61.4° 72.0° 4.30" 0.0"
September 76.2° 52.4° 64.3° 3.59" 0.0"
October 62.5° 40.4° 51.5° 2.66" 0.3"
November 46.7° 27.3° 37.0° 2.01" 1.6"
December 33.6° 16.9° 25.2° 1.27" 6.3"
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: 19099. • 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.