Decatur is a city located in Adams County Indiana. It is also the county seat of Adams County. With a 2020 population of 10,015, it is the 83rd largest city in Indiana and the 4123rd largest city in the United States. Decatur is currently growing at a rate of 0.51% annually and its population has increased by 1.03% since the most recent census, which recorded a population of 9,913 in 2020. Spanning over 6 miles, Decatur has a population density of 1,661 people per square mile.
The average household income in Decatur is $52,343 with a poverty rate of 15.23%. The median rental costs in recent years comes to $625 per month, and the median house value is $104,100. The median age in Decatur is 40.5 years, 36.4 years for males, and 46.5 years for females.
According to the most recent ACS, the racial composition of Decaturwas:
2021 and 2022 population is estimated by projecting the 2019 numbers.
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among native american people with a rate of 100.00%.
The highest rate of bachelors degrees is among black people with a rate of 75.32%.
97.36% of Decatur residents speak only English, while 2.64% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.04% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Decatur is White, with 14.60% below the poverty level.
The race least likely to be in poverty in Decatur is Hispanic, with 19.70% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.25%. Among those working part-time, it was 23.74%, and for those that did not work, the poverty rate was 20.37%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Decatur
99.79% of Decatur residents were born in the United States, with 78.28% having been born in Indiana. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.