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Scott County, Illinois

Scott County profile, demographic data, and geographic information.

Scott County is a county located in Illinois, United States of America. As of official census estimates, it has a reported population of 4,866. The land area covers 250.79 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Scott County
Official Title: Chair
Address: 35 E MARKET ST, WINCHESTER IL 62694-1216

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 4,866 — 2025 / Census
Median Age 46 yrs ±0.6 2020-2024 / Census ACS 5-Year 2024
Total Households 2,046 ±76 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 2,384 ±19
Occupied Housing Units 2,046 ±76
Vacant Housing Units 338 ±76
Median Home Value $96,400 ±$8,591
Median Gross Rent $689 ±$44
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $66,705 ±$7,853
Per Capita Income $36,633 ±$3,204
Poverty Rate 11.5% ±2.5%
Population Below Poverty Level 560 ±122
Unemployment Rate 2.7% ±1.1%
Civilian Labor Force, Employed 2,185 ±104
Broadband Internet Rate 83.1% ±3.3%
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 WINCHESTER, IL US, located 1.3 miles from Scott County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 35.7° 17.8° 26.7° 2.26" —
February 41.1° 21.3° 31.2° 2.14" —
March 52.5° 30.5° 41.5° 3.06" —
April 65.1° 41.0° 53.0° 4.40" —
May 74.9° 52.1° 63.5° 4.81" —
June 83.6° 61.8° 72.7° 4.99" —
July 86.8° 65.1° 76.0° 3.97" —
August 86.1° 62.8° 74.5° 3.47" —
September 80.1° 53.8° 66.9° 3.03" —
October 67.8° 42.5° 55.1° 3.09" —
November 52.7° 31.6° 42.1° 2.75" —
December 40.9° 23.3° 32.1° 2.43" —
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: 17171. • 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.