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Bay County, Michigan

Bay County profile, demographic data, and geographic information.

Bay County is a county located in Michigan, United States of America. As of official census estimates, it has a reported population of 102,123. The land area covers 442.41 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Bay County
Official Title: County Executive
Address: 515 CENTER AVE, STE 401, BAY CITY MI 48708-5941

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 102,123 — 2025 / Census
Median Age 43.9 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 45,103 ±512 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 48,659 ±51
Occupied Housing Units 45,103 ±512
Vacant Housing Units 3,556 ±504
Median Home Value $152,200 ±$3,642
Median Gross Rent $860 ±$37
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $61,763 ±$2,526
Per Capita Income $35,602 ±$936
Poverty Rate 13.2% ±1.2%
Population Below Poverty Level 13,520 ±1,257
Unemployment Rate 4.3% ±0.7%
Civilian Labor Force, Employed 48,460 ±878
Broadband Internet Rate 88.2% ±1.2%
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 ESSEXVILLE, MI US, located 8.9 miles from Bay County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 29.7° 15.7° 22.7° 1.67" —
February 32.3° 16.6° 24.4° 1.67" —
March 41.6° 24.0° 32.8° 1.88" —
April 54.5° 34.8° 44.6° 3.58" —
May 67.5° 48.2° 57.9° 3.37" —
June 77.8° 58.3° 68.0° 3.55" —
July 81.8° 62.0° 71.9° 2.88" —
August 79.9° 59.7° 69.8° 3.84" —
September 73.7° 51.6° 62.7° 3.21" —
October 60.2° 40.7° 50.5° 2.97" —
November 46.8° 30.9° 38.8° 2.42" —
December 35.1° 22.9° 29.0° 2.08" —
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: 26017. • 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.