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Calhoun County, Iowa

Calhoun County profile, demographic data, and geographic information.

Calhoun County is a county located in Iowa, United States of America. As of official census estimates, it has a reported population of 9,562. The land area covers 569.85 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Calhoun County
Official Title: Auditor
Address: 416 4TH ST, STE 1, ROCKWELL CITY IA 50579-1482

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 9,562 — 2025 / Census
Median Age 42.8 yrs ±0.7 2020-2024 / Census ACS 5-Year 2024
Total Households 3,993 ±153 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 4,798 ±33
Occupied Housing Units 3,993 ±153
Vacant Housing Units 805 ±148
Median Home Value $118,800 ±$6,946
Median Gross Rent $723 ±$26
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $64,964 ±$5,720
Per Capita Income $37,315 ±$2,525
Poverty Rate 9.3% ±1.5%
Population Below Poverty Level 848 ±135
Unemployment Rate 2.6% ±1.1%
Civilian Labor Force, Employed 4,318 ±167
Broadband Internet Rate 87.2% ±1.7%
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 ROCKWELL CITY, IA US, located 1.1 miles from Calhoun County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 26.5° 8.4° 17.4° 0.76" 7.4"
February 31.4° 12.3° 21.8° 0.99" 7.6"
March 45.1° 24.4° 34.7° 1.99" 4.9"
April 59.2° 35.6° 47.4° 3.76" 1.9"
May 70.0° 48.7° 59.4° 5.02" 0.0"
June 79.6° 59.5° 69.6° 5.04" 0.0"
July 82.9° 62.9° 72.9° 3.54" 0.0"
August 80.7° 60.5° 70.6° 4.53" 0.0"
September 75.0° 51.1° 63.0° 2.95" 0.0"
October 62.2° 38.4° 50.3° 2.35" 0.6"
November 45.8° 25.4° 35.6° 1.48" 2.4"
December 32.0° 14.8° 23.4° 1.34" 7.3"
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: 19025. • 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.