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St. Joseph County, Indiana

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

St. Joseph County is a county located in Indiana, United States of America. As of official census estimates, it has a reported population of 272,861. The land area covers 457.78 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of St Joseph County
Official Title: President
Address: 227 W JEFFERSON BLVD, SOUTH BEND IN 46601-1830

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 272,861 — 2025 / Census
Median Age 36.7 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 107,252 ±645 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 118,580 ±134
Occupied Housing Units 107,252 ±645
Vacant Housing Units 11,328 ±679
Median Home Value $192,800 ±$3,481
Median Gross Rent $1,062 ±$22
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $66,868 ±$1,255
Per Capita Income $36,834 ±$1,061
Poverty Rate 14.2% ±0.9%
Population Below Poverty Level 37,149 ±2,289
Unemployment Rate 5.2% ±0.5%
Civilian Labor Force, Employed 130,237 ±1,741
Broadband Internet Rate 90.3% ±0.7%
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 S BEND, IN 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 31.8° 17.1° 24.5° 2.71" —
February 35.0° 18.8° 26.9° 2.32" —
March 46.6° 27.4° 37.0° 2.44" —
April 59.2° 38.1° 48.7° 3.59" —
May 70.4° 49.5° 60.0° 4.32" —
June 79.9° 59.4° 69.7° 4.23" —
July 83.0° 63.0° 73.0° 4.14" —
August 81.2° 61.3° 71.3° 4.23" —
September 75.5° 53.6° 64.6° 3.67" —
October 62.6° 41.9° 52.3° 3.97" —
November 48.2° 32.0° 40.1° 2.86" —
December 36.8° 23.2° 30.0° 2.39" —
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: 18141. • 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.