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DeKalb County is named after Johann Baron de Kalb, a revolutionary war hero.

DeKalb County, Indiana

DeKalb County has experienced steady growth over the last 50 years with the population increasing over 43,000 residents. The ratio of females to males is close to 50% with the workforce representing nearly 50% of the county’s population. Most residents own their homes. Many families live in DeKalb County and residents tend to be conservative. The public schools in DeKalb County are above average.

Little-known facts

  • The cost of living in DeKalb County is 12.6% less than the national average
  • Public schools in DeKalb County spend $155 more per student than the national average
  • The homeownership rate is 81%
  • Renters make up 19% of the county’s population
  • Average commute time is 23 minutes
  • DeKalb County is 362.8 square miles of which only 1.03% is water
Waterloo Indiana Clock
DeKalb County Population
People QuickFacts per 2020 ConsensusDeKalb CountyIndiana
Population, 2020 estimate43,2656,833,037
Persons under 5 years, percent6.2%5.9%
Persons under 18 years, percent, 201324%23%
Persons 65 years and over, percent, 201317.3%16.9%
Female persons, percent50%50.3%
Housing units18,0962,977,293
Homeownership rate80.9%71.1%
Persons per household2.52.5
Average family size3.023.07
Median household income$60,757$62,743
Persons below poverty level10.4%12.2%
Employment rate62.3%60.3%