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Greene County, Iowa

Greene County profile, demographic data, and geographic information.

Greene County is a county located in Iowa, United States of America. As of official census estimates, it has a reported population of 8,658. The land area covers 569.56 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Greene County
Official Title: Greene County Auditor & Commissioner
Address: 114 N CHESTNUT ST, JEFFERSON IA 50129-2144

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 8,658 — 2025 / Census
Median Age 44.6 yrs ±0.4 2020-2024 / Census ACS 5-Year 2024
Total Households 3,922 ±123 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 4,319 ±19
Occupied Housing Units 3,922 ±123
Vacant Housing Units 397 ±121
Median Home Value $155,400 ±$14,618
Median Gross Rent $781 ±$68
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $63,409 ±$4,690
Per Capita Income $38,146 ±$2,074
Poverty Rate 9.8% ±2%
Population Below Poverty Level 836 ±173
Unemployment Rate 2.3% ±1.1%
Civilian Labor Force, Employed 4,117 ±180
Broadband Internet Rate 89.8% ±2.2%
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 JEFFERSON, IA US, located 2.3 miles from Greene County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 27.6° 9.1° 18.4° 0.96" 8.2"
February 32.5° 13.3° 22.9° 1.28" 8.2"
March 46.1° 25.2° 35.6° 1.96" 4.8"
April 60.2° 36.0° 48.1° 3.58" 0.9"
May 71.1° 48.7° 59.9° 4.97" 0.0"
June 80.5° 59.3° 69.9° 5.19" 0.0"
July 83.4° 62.8° 73.1° 4.38" 0.0"
August 81.3° 60.4° 70.9° 4.21" 0.0"
September 75.8° 51.1° 63.5° 3.13" 0.0"
October 62.9° 39.1° 51.0° 2.58" 0.6"
November 46.4° 25.7° 36.1° 1.69" 1.5"
December 32.9° 15.5° 24.2° 1.38" 7.5"
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: 19073. • 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.