Skip to main content

Jay County, Indiana

Jay County profile, demographic data, and geographic information.

Jay County is a county located in Indiana, United States of America. As of official census estimates, it has a reported population of 20,118. The land area covers 383.91 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Jay County
Official Title: Jay County Auditor
Address: 120 N COURT ST, 209, PORTLAND IN 47371-2195

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 20,118 — 2025 / Census
Median Age 39.5 yrs ±1.2 2020-2024 / Census ACS 5-Year 2024
Total Households 7,807 ±249 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 8,904 ±29
Occupied Housing Units 7,807 ±249
Vacant Housing Units 1,097 ±252
Median Home Value $117,500 ±$7,058
Median Gross Rent $770 ±$28
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $54,969 ±$3,017
Per Capita Income $27,634 ±$1,321
Poverty Rate 14.4% ±2.8%
Population Below Poverty Level 2,869 ±562
Unemployment Rate 4.4% ±1.3%
Civilian Labor Force, Employed 8,881 ±299
Broadband Internet Rate 82.8% ±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 PORTLAND 1 SW, IN US, located 1.3 miles from Jay County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 33.8° 17.0° 25.4° 2.82" 6.4"
February 37.6° 19.0° 28.3° 2.71" 5.4"
March 48.2° 27.7° 37.9° 2.80" 3.1"
April 61.6° 37.8° 49.7° 3.62" 0.3"
May 71.7° 49.2° 60.4° 4.31" 0.0"
June 80.4° 58.7° 69.6° 4.55" 0.0"
July 83.7° 61.9° 72.8° 4.07" 0.0"
August 81.9° 59.6° 70.8° 3.83" 0.0"
September 76.5° 52.3° 64.4° 2.97" 0.0"
October 64.3° 41.1° 52.7° 2.85" 0.1"
November 50.5° 31.1° 40.8° 3.01" 0.6"
December 38.9° 22.9° 30.9° 2.39" 3.5"
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: 18075. • 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.