Skip to main content

Simpson County, Kentucky

Simpson County profile, demographic data, and geographic information.

Simpson County is a county located in Kentucky, United States of America. As of official census estimates, it has a reported population of 20,788. The land area covers 234.19 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Simpson County
Official Title: Judge Executive
Address: PO BOX 242, FRANKLIN KY 42135-0242

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 20,788 — 2025 / Census
Median Age 38.8 yrs ±0.6 2020-2024 / Census ACS 5-Year 2024
Total Households 8,025 ±208 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 8,627 ±25
Occupied Housing Units 8,025 ±208
Vacant Housing Units 602 ±207
Median Home Value $229,400 ±$21,713
Median Gross Rent $1,012 ±$69
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $59,858 ±$5,221
Per Capita Income $31,249 ±$2,216
Poverty Rate 15.5% ±3.3%
Population Below Poverty Level 3,031 ±650
Unemployment Rate 3.6% ±1.9%
Civilian Labor Force, Employed 9,247 ±471
Broadband Internet Rate 88.7% ±2.9%
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 PORTLAND SEWAGE PLT, TN US, located 10.9 miles from Simpson County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 45.3° 26.6° 36.0° 4.20" 0.2"
February 50.3° 29.5° 39.9° 4.69" 1.5"
March 59.1° 37.0° 48.1° 5.08" 0.3"
April 69.8° 46.5° 58.2° 5.24" 0.0"
May 77.7° 56.6° 67.2° 5.80" 0.0"
June 85.3° 64.8° 75.1° 4.36" 0.0"
July 88.8° 68.5° 78.6° 4.57" 0.0"
August 88.1° 66.9° 77.5° 4.15" 0.0"
September 82.2° 59.6° 70.9° 3.64" 0.0"
October 71.4° 47.9° 59.7° 3.69" 0.0"
November 58.9° 37.4° 48.2° 3.78" 0.0"
December 48.9° 30.2° 39.6° 5.11" 0.0"
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: 21213. • 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.