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Franklin County, Missouri

Franklin County profile, demographic data, and geographic information.

Franklin County is a county located in Missouri, United States of America. As of official census estimates, it has a reported population of 108,090. The land area covers 922.49 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Franklin County
Official Title: Franklin County Auditor
Address: 400 E LOCUST ST, RM 201, UNION MO 63084-1863

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 108,090 — 2025 / Census
Median Age 41.8 yrs ±0.5 2020-2024 / Census ACS 5-Year 2024
Total Households 43,036 ±493 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 46,312 ±99
Occupied Housing Units 43,036 ±493
Vacant Housing Units 3,276 ±482
Median Home Value $227,600 ±$5,671
Median Gross Rent $893 ±$26
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $73,165 ±$2,639
Per Capita Income $37,792 ±$1,199
Poverty Rate 8.2% ±0.9%
Population Below Poverty Level 8,534 ±934
Unemployment Rate 4.3% ±0.8%
Civilian Labor Force, Employed 50,665 ±887
Broadband Internet Rate 90% ±1%
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 UNION, MO US, located 4.3 miles from Franklin County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 43.0° 22.9° 33.0° 2.72" 4.7"
February 48.3° 26.1° 37.2° 2.45" 4.1"
March 59.1° 35.3° 47.2° 3.87" 1.8"
April 70.4° 45.0° 57.7° 4.99" 0.2"
May 78.1° 54.8° 66.5° 4.85" 0.0"
June 86.2° 63.3° 74.7° 4.24" 0.0"
July 90.6° 67.4° 79.0° 4.74" 0.0"
August 89.4° 65.8° 77.6° 3.84" 0.0"
September 81.7° 57.0° 69.3° 3.63" 0.0"
October 70.2° 45.6° 57.9° 3.31" 0.0"
November 57.3° 35.0° 46.1° 3.66" 0.7"
December 46.1° 27.2° 36.7° 2.66" 2.9"
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: 29071. • 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.