Skip to main content

St. Joseph County, Michigan

St. Joseph County profile, demographic data, and geographic information.

St. Joseph County is a county located in Michigan, United States of America. As of official census estimates, it has a reported population of 60,968. The land area covers 500.64 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of St Joseph County
Official Title: Executive Secretary
Address: 125 W MAIN ST, CENTREVILLE MI 49032-9623

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 60,968 — 2025 / Census
Median Age 39.9 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 23,620 ±344 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 27,302 ±70
Occupied Housing Units 23,620 ±344
Vacant Housing Units 3,682 ±355
Median Home Value $178,300 ±$6,438
Median Gross Rent $849 ±$28
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $66,425 ±$2,763
Per Capita Income $32,102 ±$954
Poverty Rate 11.4% ±1.2%
Population Below Poverty Level 6,854 ±734
Unemployment Rate 5.9% ±1.1%
Civilian Labor Force, Employed 27,675 ±625
Broadband Internet Rate 88.8% ±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 THREE RIVERS, MI US, located 6.1 miles from St. Joseph County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 31.2° 16.7° 23.9° 2.85" 15.0"
February 34.4° 17.8° 26.1° 2.06" 9.7"
March 45.0° 25.9° 35.4° 2.30" 3.7"
April 57.8° 36.2° 47.0° 3.35" 0.6"
May 69.4° 47.6° 58.5° 4.40" 0.0"
June 78.6° 57.2° 67.9° 4.10" 0.0"
July 82.3° 60.5° 71.4° 3.99" 0.0"
August 80.2° 58.9° 69.6° 3.95" 0.0"
September 74.1° 51.0° 62.6° 3.58" 0.0"
October 61.2° 40.2° 50.7° 3.69" 0.0"
November 47.4° 30.9° 39.1° 3.04" 2.9"
December 36.1° 22.8° 29.4° 2.35" 9.3"
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: 26149. • 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.