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DeKalb County, Indiana

DeKalb County profile, demographic data, and geographic information.

DeKalb County is a county located in Indiana, United States of America. As of official census estimates, it has a reported population of 44,535. The land area covers 362.83 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of De Kalb County
Official Title: Auditor
Address: 100 S MAIN ST, AUBURN IN 46706-2363

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 44,535 — 2025 / Census
Median Age 38.4 yrs ±0.5 2020-2024 / Census ACS 5-Year 2024
Total Households 17,096 ±290 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 18,384 ±42
Occupied Housing Units 17,096 ±290
Vacant Housing Units 1,288 ±279
Median Home Value $194,100 ±$9,085
Median Gross Rent $861 ±$29
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $74,331 ±$4,948
Per Capita Income $35,553 ±$1,297
Poverty Rate 9.5% ±1.5%
Population Below Poverty Level 4,119 ±630
Unemployment Rate 4.5% ±1.3%
Civilian Labor Force, Employed 21,848 ±480
Broadband Internet Rate 88.1% ±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 GARRETT 1 S, IN US, located 7.4 miles from DeKalb County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 30.2° 16.5° 23.3° 2.52" 10.6"
February 34.2° 18.6° 26.4° 2.28" 9.7"
March 45.8° 26.9° 36.4° 2.68" 4.8"
April 59.2° 36.7° 48.0° 4.02" 1.2"
May 69.8° 47.7° 58.8° 4.73" 0.0"
June 77.5° 57.3° 67.4° 3.95" 0.0"
July 80.8° 60.3° 70.6° 3.52" 0.0"
August 78.8° 58.4° 68.6° 3.90" 0.0"
September 73.4° 51.2° 62.3° 3.22" 0.0"
October 61.2° 40.8° 51.0° 3.01" 0.1"
November 46.8° 30.8° 38.8° 3.10" 2.5"
December 34.6° 21.9° 28.3° 2.59" 7.1"
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: 18033. • 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.