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Sac County, Iowa

Sac County profile, demographic data, and geographic information.

Sac County is a county located in Iowa, United States of America. As of official census estimates, it has a reported population of 9,525. The land area covers 575.02 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Sac County
Official Title: Sac County Auditor
Address: 100 NW STATE ST, STE 1, SAC CITY IA 50583-1750

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 9,525 — 2025 / Census
Median Age 46.2 yrs ±0.7 2020-2024 / Census ACS 5-Year 2024
Total Households 4,302 ±110 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 5,118 ±27
Occupied Housing Units 4,302 ±110
Vacant Housing Units 816 ±109
Median Home Value $141,400 ±$11,933
Median Gross Rent $722 ±$73
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $73,838 ±$5,248
Per Capita Income $40,084 ±$2,139
Poverty Rate 9.2% ±2%
Population Below Poverty Level 873 ±193
Unemployment Rate 4.4% ±1.8%
Civilian Labor Force, Employed 5,023 ±178
Broadband Internet Rate 84.6% ±2.6%
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 SAC CITY, IA US, located 6.9 miles from Sac County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 26.4° 7.8° 17.1° 0.73" 7.0"
February 31.1° 11.8° 21.5° 0.96" 7.4"
March 44.4° 23.5° 34.0° 1.82" 4.2"
April 58.9° 34.5° 46.7° 3.48" 1.9"
May 70.1° 46.9° 58.5° 4.59" 0.0"
June 80.1° 57.8° 69.0° 5.14" 0.0"
July 83.2° 61.7° 72.5° 3.89" 0.0"
August 80.9° 58.9° 69.9° 4.43" 0.0"
September 75.1° 49.7° 62.4° 2.85" 0.0"
October 61.8° 37.2° 49.5° 2.42" 0.5"
November 45.1° 24.4° 34.7° 1.57" 2.7"
December 31.7° 14.0° 22.9° 1.17" 7.2"
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: 19161. • 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.