Decatur Population By Year

Population Graph For Decatur, 1990 - 2022
Year Population Rank in US Growth Rate
2023 68,670 554 -0.8%
2022 69,201 547 -0.6%
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 2024 data from the US census, the current population of Decatur is 68,670. Decatur, Illinois is the 554th 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 554th largest city in the US. Decatur is currently 19.6% smaller than it was in 1990.

How quickly is Decatur shrinking?

Decatur has shrunk 16.1% 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.

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.

Similarly Sized Cities In Illinois

US Rank Name Population Growth
2000-2023
445 Cicero 81,004 -5.2%
467 Bloomington 78,587 19.6%
490 Schaumburg 75,750 0.5%
498 Evanston 75,070 1.2%
502 Arlington Heights 74,495 -2.6%
504 Bolingbrook 74,088 30.0%
554 Decatur 68,670 -16.1%
595 Skokie 64,937 2.4%
596 Palatine 64,869 -2.2%
688 Des Plaines 58,010 1.6%
706 Orland Park 57,074 11.0%
722 Oak Lawn 55,734 0.9%
740 Berwyn 54,414 0.8%

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2023
548 Canton, Ohio 69,197 -14.4%
549 Walnut Creek, California 69,152 7.0%
550 Dublin, California 69,128 125.5%
551 Portland, Maine 69,104 7.6%
552 Passaic, New Jersey 68,903 1.4%
553 Baldwin Park, California 68,806 -9.4%
554 Decatur, Illinois 68,670 -16.1%
555 Yuba City, California 68,666 34.3%
556 Schenectady, New York 68,544 11.0%
557 Ocala, Florida 68,426 43.9%
558 Caldwell, Idaho 68,336 147.2%
559 Jackson, Tennessee 68,264 13.9%
560 Commerce City, Colorado 68,245 222.7%

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