Decatur is a city located in Macon County Illinois. It is also the county seat of Macon County. With a 2023 population of 68,842, it is the 17th largest city in Illinois and the 598th largest city in the United States.Decatur is currently declining at a rate of -0.81% annually and its population has decreased by -4.20% since the most recent census, which recorded a population of 71,857 in 2020. Spanning over 47 miles, Decatur has a population density of 1,627 people per square mile.
The average household income in Decatur is $59,490 with a poverty rate of 22.36%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Decatur is 39.8 years, 37.7 years for males, and 41.2 years for females.
According to the most recent ACS, the racial composition of Decatur was:
White
Black or African American
Two or more races
Asian
Other race
Native American
Native Hawaiian or Pacific Islander
3
Average Family Size
2.2
Average Household Size
61.8%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 78.86%.
The highest rate of bachelors degrees is among asian people with a rate of 49.86%.
All
Male
Female
$35,142
Average Earnings
$43,105
Average Male
$28,593
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
96.28% of Decatur residents speak only English, while 3.72% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.94% of the population.
rate
22.36%
Overall Poverty Rate
17.49%
Male Poverty Rate
21.07%
Female Poverty Rate
The race most likely to be in poverty in Decatur is Multiple, with 62.53% below the poverty level.
The race least likely to be in poverty in Decatur is Asian, with 10.66% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 3.97%. Among those working part-time, it was 23.36%, and for those that did not work, the poverty rate was 25.70%.
rate
rate
Households
Families
MarriedFamilies
NonFamilies
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
40.5%
Overall Marriage Rate
44.0%
Male Marriage Rate
37.6%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
4,498
Number of Veterans
4,122
Male Veterans
376
Female Veterans
count
count
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
7.22%
Veteran Poverty Rate
27.99%
Veteran Disability Rate
LaborForceParticipation
57.5%
Labor Force Participation
52.1%
Employment Rate
9.3%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
80.44%
Born in Decatur
99.36%
Native Born
2.54%
Foreign Born
1.09%
Non Citizen
1.45%
Naturalized
99.36% of Decatur residents were born in the United States, with 80.44% having been born in Illinois. 1.09% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.