Latest Data (2016)
Population 67,934
Nationwide Rank 521

Quick Facts

Waterloo, Iowa is the 521st largest city in the United States as of 2016.

Waterloo, Iowa is a city.

Waterloo, Iowa is currently 1.2% smaller than it was in 2000, the year of its peak recorded population.

Waterloo, Iowa's growth is extremely below average. 90% of similarly sized cities are growing faster since 2000.

Waterloo, Iowa Border Map

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2016
511 Cedar Park, Texas 68,918 163.7%
512 Woodbury, Minnesota 68,820 46.5%
513 Palatine, Illinois 68,766 3.6%
514 Bossier City, Louisiana 68,485 21.2%
515 Dothan, Alabama 68,468 17.4%
516 Mount Vernon, New York 68,344 -0.1%
517 Eau Claire, Wisconsin 68,339 9.9%
518 Yorba Linda, California 68,235 15.4%
519 Davis, California 68,111 15.1%
520 Homestead, Florida 67,996 113.0%
521 Waterloo, Iowa 67,934 -1.2%
522 Redondo Beach, California 67,867 6.8%
523 Jacksonville, North Carolina 67,784 3.0%
524 Gaithersburg, Maryland 67,776 28.2%
525 Victoria, Texas 67,670 11.7%
526 St. Cloud, Minnesota 67,641 13.1%
527 Marysville, Washington 67,626 130.5%
528 Greenville, South Carolina 67,453 18.9%
529 Delray Beach, Florida 67,371 11.6%
530 Camarillo, California 67,363 17.1%
531 Georgetown, Texas 67,140 134.7%

Similarly Sized Cities In Iowa

US Rank Name Population Growth
2000-2016
207 Cedar Rapids 131,127 7.6%
296 Davenport 102,612 4.4%
406 Sioux City 82,872 -2.4%
470 Iowa City 74,398 18.3%
521 Waterloo 67,934 -1.2%
546 Ames 66,191 29.9%
561 West Des Moines 64,560 36.8%
584 Council Bluffs 62,524 7.1%
639 Ankeny 58,627 112.5%
642 Dubuque 58,531 1.4%
873 Urbandale 43,018 45.8%
914 Cedar Falls 41,390 14.3%
988 Marion 38,480 44.8%
1071 Bettendorf 35,727 14.1%

Demographics

Population History

Year Population Rank in US
2016 67,934 521
2015 68,460 512
2014 68,364 507
2013 68,366 498
2012 68,297 491
2011 68,365 483
2010 68,406 473
2009 66,761 484
2008 66,281 483
2007 65,941 476
2006 66,230 467
2005 66,514 462
2004 66,880 447
2003 67,100 441
2002 67,667 432
2001 68,387 419
2000 68,766 411
1990 66,732 353