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Louisa County, Iowa

Louisa County profile, demographic data, and geographic information.

Louisa County is a county located in Iowa, United States of America. As of official census estimates, it has a reported population of 10,416. The land area covers 401.78 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Louisa County
Official Title: Auditor
Address: PO BOX 186, WAPELLO IA 52653-0186

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 10,416 — 2025 / Census
Median Age 41.9 yrs ±0.6 2020-2024 / Census ACS 5-Year 2024
Total Households 4,237 ±132 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 4,739 ±26
Occupied Housing Units 4,237 ±132
Vacant Housing Units 502 ±129
Median Home Value $150,100 ±$10,236
Median Gross Rent $775 ±$91
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $77,354 ±$7,861
Per Capita Income $36,126 ±$1,989
Poverty Rate 9.8% ±2.2%
Population Below Poverty Level 1,029 ±232
Unemployment Rate 3% ±1.2%
Civilian Labor Force, Employed 5,291 ±200
Broadband Internet Rate 87.8% ±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 COLUMBUS JUNCTION, IA US, located 6.6 miles from Louisa County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 29.9° 10.9° 20.4° 1.17" 9.5"
February 34.3° 14.0° 24.1° 1.94" 7.1"
March 48.0° 25.8° 36.9° 2.33" 5.3"
April 61.5° 37.9° 49.7° 3.85" 1.6"
May 71.5° 49.5° 60.5° 5.41" 0.0"
June 80.1° 59.2° 69.6° 4.91" 0.0"
July 83.9° 62.9° 73.4° 4.09" 0.0"
August 82.4° 60.7° 71.6° 4.22" 0.0"
September 76.3° 51.5° 63.9° 3.75" 0.0"
October 63.1° 39.7° 51.4° 3.03" 0.2"
November 48.4° 26.9° 37.7° 2.19" 1.3"
December 35.2° 17.2° 26.2° 1.94" 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: 19115. • 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.