Decatur, Illinois Population History 1990 - 2021
Decatur Population By Year
| Year | Population | Rank in US | Growth Rate |
|---|---|---|---|
| 2021 | 69,646 | 540 | -1.2% |
| 2020 | 70,514 | 529 | -0.8% |
| 2010 | 76,122 | 419 | -0.7% |
| 2000 | 81,912 | 326 | -0.4% |
| 1990 | 85,424 | 255 | – |
Decatur Population Facts
What is the current population of Decatur?
Based on the latest 2022 data from the US census, the current population of Decatur is 69,646. Decatur, Illinois is the 540th largest city in the US.
What county is Decatur, Illinois in?
Decatur is located entirely in Macon County.
What is the size of Decatur, Illinois in square miles?
Decatur has an area of 42.2 square miles. Decatur is the 7th largest city, by area, in Illinois.What was the peak population of Decatur?
The peak population of Decatur was in 1990, when its population was 85,424. In 1990, Decatur was the 255th largest city in the US; now its fallen to the 540th largest city in the US. Decatur is currently 18.5% smaller than it was in 1990.
How quickly is Decatur shrinking?
Decatur has shrunk 14.9% since the year 2000. Decatur, Illinois's growth is extremely below average. 98% of similarly sized cities are growing faster since 2000.
What is the population density of Decatur, Illinois?
Decatur has a population density of 1,802.8 people per square mile.
Similarly Sized Cities In Illinois
| US Rank | Name | Population | Growth 2000-2021 |
|---|---|---|---|
| 421 | Cicero | 83,161 | -2.7% |
| 464 | Bloomington | 78,283 | 19.1% |
| 466 | Evanston | 77,517 | 4.5% |
| 471 | Schaumburg | 77,082 | 2.3% |
| 483 | Arlington Heights | 76,000 | -0.6% |
| 500 | Bolingbrook | 73,597 | 29.1% |
| 540 | Decatur | 69,646 | -14.9% |
| 575 | Skokie | 66,422 | 4.8% |
| 577 | Palatine | 66,321 | 0.0% |
| 654 | Des Plaines | 59,459 | 4.1% |
| 684 | Orland Park | 57,850 | 12.5% |
| 695 | Oak Lawn | 57,013 | 3.2% |
| 703 | Berwyn | 55,772 | 3.3% |
Similarly Sized Cities In US
| US Rank | Name | Population | Growth 2000-2021 |
|---|---|---|---|
| 534 | Canton, Ohio | 70,426 | -12.9% |
| 535 | Ankeny, Iowa | 70,287 | 154.8% |
| 536 | North Richland Hills, Texas | 70,209 | 25.4% |
| 537 | West Des Moines, Iowa | 69,792 | 47.9% |
| 538 | Redondo Beach, California | 69,781 | 9.8% |
| 539 | Walnut Creek, California | 69,695 | 7.8% |
| 540 | Decatur, Illinois | 69,646 | -14.9% |
| 541 | Passaic, New Jersey | 69,633 | 2.5% |
| 542 | Yuba City, California | 69,536 | 36.0% |
| 543 | Eau Claire, Wisconsin | 69,441 | 11.7% |
| 544 | Bayonne, New Jersey | 69,211 | 11.9% |
| 545 | Gaithersburg, Maryland | 69,101 | 30.7% |
| 546 | Albany, Georgia | 69,048 | -9.9% |
Decatur Demographics
What is the voting age population of Decatur, Illinois?
The total voting age population of Decatur, Illinois, meaning US citizens 18 or older, is 56,237. The voting age population is 45.8% male and 54.2% female.
What percentage of Decatur, Illinois residents are senior citizens?
According to the latest census statistics, 19.7% of the residents of Decatur are 65 or older.
What are the racial demographics of Decatur, Illinois?
The racial demographics of Decatur are 71.2% White, 21.0% Black, 6.3% Two or more races, 0.7% Asian, 0.6% Other and 0.3% American Indian. Additionally, 2.9% of the population identifies as Hispanic.
What percentage of Decatur, Illinois residents are below the poverty line?
In Decatur, 22.1% of residents have an income below the poverty line, and the child poverty rate is 33.9%. On a per-household basis, 17.2% of families are below the poverty line in Decatur.
What percentage of Decatur, Illinois residents are in the labor force?
Among those aged 16 and older, 57.7% of Decatur residents are in the labor force.
What are the education levels among Decatur, Illinois residents?
Among the adult population 25 years old and over, 88.5% of Decatur residents have at least a high school degree or equivalent, 20.1% have a bachelor's degree and 7.4% have a graduate or professional degree.
What percentage of Decatur, Illinois residents speak a non-English language at home?
Among Decatur residents aged 5 and older, 3.6% of them speak a non-English language at home. Broken down by language: 1.9% of residents speak Spanish at home, 0.9% speak an Indo-European language, and 0.5% speak an Asian language.
Decatur Income & Labor Statistics
What is the unemployment rate in Decatur, Illinois?
The unemployment rate in Decatur is 9.2%, which is calculated among residents aged 16 or older who are in the labor force.
What percentage of Decatur, Illinois residents work for the government?
In Decatur, 11.2% of the residents in the non-military labor force are employed by the local, state and federal government.
What is the median income in Decatur, Illinois?
The median household income in Decatur is $42,701.
Decatur Housing & Rent Statistics
What percentage of housing units are owner-occupied in Decatur, Illinois?
In Decatur, 61.4% of housing units are occupied by their owners.
What percentage of housing units are rented in Decatur, Illinois?
Renters occupy 38.6% of housing units in Decatur.
What percentage of Decatur, Illinois housing units were built before 1940?
Of all the housing units in Decatur, 20.4% of them were build before 1940.
What percentage of Decatur, Illinois housing units were built after 2000?
In Decatur, 5.6% of the total housing units were built after the year 2000, which is approximately 2,000 units.
What is the median monthly rent in Decatur, Illinois?
The median gross monthly rent payment for renters in Decatur is $683.
What percentage of households in Decatur, Illinois have broadband internet?
In Decatur, 75.4% of households have an active broadband internet connection.