2025 Compare Cities People:
Decatur, IL vs Antioch, CA

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Highlights
- Antioch is 0% more densely populated than Decatur.
- People are 5.2% more likely to be married in Antioch.
- The Median Age is 2.9 years younger in Antioch.
 Decatur, ILAntioch, CAUnited States
 Population  Unlock114,750329,725,481
 Female Population52.7%  Unlock50.5%
 Male Population47.3%  Unlock49.5%
 Median Age  Unlock3738.4
 space3
 Population - 201076,095  Unlock309,327,143
 Population - 2000  Unlock90,532285,036,114
 Population - 199083,885  Unlock251,960,433
 Pop. 2000 to Now  Unlock23.3%15.6%
 Pop. 1990 to Now-16.5%  Unlock30.8%
 space4
 Population Density  Unlock3,910.293.4
 Land Area42.3  Unlock3,531,905.4
 Water Area  Unlock0.8264,836.8
 space
 Est. Total Population By Age
 Decatur, ILAntioch, CAUnited States
 Age 0 to 46.0%  Unlock5.9%
 Age 5 to 9  Unlock6.0%6.1%
 Age 10 to 145.7%  Unlock6.6%
 Age 15 to 17  Unlock5.1%3.9%
 Age 18 to 204.7%  Unlock4.0%
 Age 21 to 24  Unlock5.6%5.2%
 Age 25 to 3413.2%  Unlock13.8%
 Age 35 to 44  Unlock13.1%12.9%
 Age 45 to 5410.8%  Unlock12.6%
 Age 55 to 59  Unlock7.4%6.7%
 Age 60 to 646.8%  Unlock6.3%
 Age 65 to 74  Unlock8.4%9.6%
 Age 75 to 845.7%  Unlock4.5%
 Age 85 and over  Unlock1.2%1.9%
 space1
 Race
 Decatur, ILAntioch, CAUnited States
 White67.5%  Unlock59.4%
 Black  Unlock19.5%12.2%
 Asian1.4%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races4.9%  Unlock3.2%
 Hispanic  Unlock35.0%18.4%
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 Marriage & Family
 Decatur, ILAntioch, CAUnited States
 Married Population42.5%  Unlock49.8%
     Currently Married  Unlock42.9%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock55.3%50.2%
 Never Married35.7%  Unlock33.8%
 Divorced  Unlock10.6%10.8%
 Widowed7.8%  Unlock5.6%
 space5
 Household Size  Unlock3.192.60
 Households30,718  Unlock124,010,992
 Family Households  Unlock26,37680,755,759
     Married couple, w/children20.5%  Unlock30.5%
     Married couple, no children  Unlock35.3%42.9%
 Non Family Households14,383  Unlock43,255,233
     Single householder, w/children  Unlock21.1%15.8%
     Single householder, no children11.4%  Unlock10.8%
Reviews for Decatur    14 Reviews

I was sent here by the company I worked for in the '90's and was not initially impressed with midwest living. However, over the years I got used to living in the "Pride  More

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I grew up in Decatur and I still have family there, but it depresses me to see what it has become. It has a high unemployment rate, many business have closed or are run  More

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Over 14 years ago

If you enjoy drinking & driving, Decatur's fifteen drive-thru liquor windows, three times the # of drive-thru's than the ten largest cities in Illinois, COMBINED, will  More

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Start Your Review of Decatur

Reviews for Antioch    19 Reviews

Just like most large 100k population cities, there are some places in Antioch that crime is almost non existent while over by the freeway, it's very high. You must look  More

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Over 12 years ago

Crime  More

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So you've been searching for an affordable yet spacious home in the Bay Area for years and have started to give up hope. Then one day you expanded your search into East  More

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Start Your Review of Antioch


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