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Ingham County, Michigan

Ingham County profile, demographic data, and geographic information.

Ingham County is a county located in Michigan, United States of America. As of official census estimates, it has a reported population of 289,709. The land area covers 556.08 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Ingham County
Official Title: Board Coordinator
Address: PO BOX 319, MASON MI 48854-0319

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 289,709 — 2025 / Census
Median Age 33.3 yrs ±0.1 2020-2024 / Census ACS 5-Year 2024
Total Households 117,096 ±839 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 126,232 ±207
Occupied Housing Units 117,096 ±839
Vacant Housing Units 9,136 ±834
Median Home Value $198,800 ±$5,013
Median Gross Rent $1,084 ±$16
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $65,526 ±$1,674
Per Capita Income $37,723 ±$882
Poverty Rate 16.7% ±0.9%
Population Below Poverty Level 44,437 ±2,483
Unemployment Rate 6.2% ±0.6%
Civilian Labor Force, Employed 141,447 ±1,764
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 EAST LANSING 4 S, MI US, located 7.5 miles from Ingham 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° 17.5° 24.7° 2.08" 14.1"
February 34.4° 18.8° 26.6° 1.60" 7.3"
March 44.9° 27.2° 36.0° 1.68" 4.2"
April 57.7° 37.3° 47.5° 3.55" 0.9"
May 70.2° 48.4° 59.3° 4.36" 0.0"
June 79.4° 57.6° 68.5° 3.79" 0.0"
July 83.0° 61.2° 72.1° 3.37" 0.0"
August 81.4° 59.8° 70.6° 3.45" 0.0"
September 75.5° 51.8° 63.6° 3.17" 0.0"
October 61.6° 41.5° 51.5° 3.12" 0.3"
November 48.2° 32.2° 40.2° 2.55" 1.8"
December 37.1° 23.5° 30.3° 1.60" 7.4"
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: 26065. • 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.