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Carroll County, Iowa

Carroll County profile, demographic data, and geographic information.

Carroll County is a county located in Iowa, United States of America. As of official census estimates, it has a reported population of 20,303. The land area covers 569.45 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Carroll County
Official Title: Chairman
Address: 114 E 6TH ST, CARROLL IA 51401-2400

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 20,303 — 2025 / Census
Median Age 41.1 yrs ±0.6 2020-2024 / Census ACS 5-Year 2024
Total Households 8,801 ±207 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 9,560 ±54
Occupied Housing Units 8,801 ±207
Vacant Housing Units 759 ±204
Median Home Value $176,000 ±$9,631
Median Gross Rent $731 ±$18
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $72,930 ±$2,443
Per Capita Income $40,939 ±$2,598
Poverty Rate 7.9% ±1.2%
Population Below Poverty Level 1,605 ±252
Unemployment Rate 1.8% ±1.2%
Civilian Labor Force, Employed 10,631 ±262
Broadband Internet Rate 87.3% ±1.5%
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 CARROLL, IA US, located 2.0 miles from Carroll County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 27.9° 10.3° 19.1° 0.90" —
February 32.8° 14.2° 23.5° 1.11" —
March 46.2° 25.3° 35.7° 1.87" —
April 59.9° 36.1° 48.0° 3.35" —
May 71.1° 49.2° 60.1° 4.49" —
June 81.3° 60.0° 70.7° 5.12" —
July 84.3° 63.9° 74.1° 4.36" —
August 82.2° 61.2° 71.7° 4.06" —
September 76.3° 51.8° 64.0° 2.95" —
October 62.9° 39.5° 51.2° 2.68" —
November 46.4° 26.7° 36.6° 1.44" —
December 33.1° 16.1° 24.6° 1.38" —
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: 19027. • 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.