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Hardin County, Illinois

Hardin County profile, demographic data, and geographic information.

Hardin County is a county located in Illinois, United States of America. As of official census estimates, it has a reported population of 3,588. The land area covers 177.39 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Hardin County
Official Title: Hardin County Clerk
Address: PO BOX 187, 102 E MARKET ST, ELIZABETHTOWN IL 62931

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 3,588 — 2025 / Census
Median Age 53.6 yrs ±1.2 2020-2024 / Census ACS 5-Year 2024
Total Households 1,545 ±113 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 2,337 ±95
Occupied Housing Units 1,545 ±113
Vacant Housing Units 792 ±117
Median Home Value $103,800 ±$24,115
Median Gross Rent $379 ±$116
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $54,271 ±$12,264
Per Capita Income $29,650 ±$3,025
Poverty Rate 11% ±3.3%
Population Below Poverty Level 385 ±117
Unemployment Rate 2.8% ±2.1%
Civilian Labor Force, Employed 1,269 ±117
Broadband Internet Rate 78.6% ±6.6%
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 ROSICLARE 5NW, IL US, located 8.5 miles from Hardin County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 41.2° 22.4° 31.8° 3.90" 0.9"
February 46.2° 25.1° 35.7° 3.71" 1.4"
March 56.3° 33.3° 44.8° 5.08" 0.2"
April 67.6° 42.6° 55.1° 5.12" 0.0"
May 75.2° 52.6° 63.9° 5.35" 0.0"
June 83.0° 61.5° 72.3° 4.61" 0.0"
July 86.4° 65.2° 75.8° 4.40" 0.0"
August 86.1° 63.0° 74.5° 3.24" 0.0"
September 80.4° 55.1° 67.8° 3.24" 0.0"
October 69.2° 42.9° 56.0° 3.57" 0.2"
November 55.9° 33.4° 44.6° 4.23" 0.0"
December 45.2° 26.3° 35.8° 4.44" 0.6"
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: 17069. • 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.