Latest Data (2016)
Population 86,274
Nationwide Rank 383

Quick Facts

O'Fallon, Missouri is the 383rd largest city in the United States as of 2016.

O'Fallon, Missouri is a city.

O'Fallon, Missouri is as large as it has ever been. In 2016 O'Fallon had its largest population ever.

O'Fallon, Missouri is growing moderately quickly. It is growing faster than 88% of similarly sized cities since 2000.

O'Fallon, Missouri Border Map

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2016
373 Kirkland, Washington 87,701 94.7%
374 Edinburg, Texas 87,650 79.1%
375 Reading, Pennsylvania 87,575 7.7%
376 Bellingham, Washington 87,574 29.1%
377 Citrus Heights, California 87,432 2.4%
378 Whittier, California 86,883 3.6%
379 Ogden, Utah 86,701 11.8%
380 Newport Beach, California 86,688 9.6%
381 Champaign, Illinois 86,637 22.9%
382 Duluth, Minnesota 86,293 0.0%
383 O'Fallon, Missouri 86,274 69.4%
384 Clifton, New Jersey 85,845 8.5%
385 Alhambra, California 85,474 0.3%
386 Bloomington, Minnesota 85,319 0.2%
387 Palm Coast, Florida 85,109 156.4%
388 Danbury, Connecticut 84,992 13.1%
389 Hoover, Alabama 84,978 34.0%
390 Redwood City, California 84,950 12.5%
391 Bloomington, Indiana 84,465 18.8%
392 Hemet, California 84,281 41.8%
393 Mount Pleasant, South Carolina 84,170 72.2%

Similarly Sized Cities In Missouri

US Rank Name Population Growth
2000-2016
152 Springfield 167,319 9.9%
230 Columbia 120,612 40.2%
237 Independence 117,030 3.0%
320 Lee's Summit 96,076 35.3%
383 O'Fallon 86,274 69.4%
449 St. Joseph 76,472 3.2%
507 St. Charles 69,293 14.2%
654 St. Peters 57,289 11.2%
696 Blue Springs 54,431 12.2%
731 Joplin 52,195 14.3%
738 Florissant 51,776 -3.9%
804 Chesterfield 47,659 1.7%

Demographics

Population History

Year Population Rank in US
2016 86,274 383
2015 85,040 386
2014 84,009 387
2013 82,809 388
2012 81,979 387
2011 81,016 387
2010 79,329 392
2009 78,850 385
2008 77,258 394
2007 75,404 402
2006 72,468 418
2005 69,694 432
2004 67,147 444
2003 63,955 462
2002 60,205 498
2001 56,763 533
2000 50,901 613
1990 18,296 1,494