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Kansas City population

Kansas City, Missouri had an estimated 521,220 residents on July 1, 2025, the 37th-largest city in the US. That is up 13.4% since the 2010 Census and up 18% since 2000.

Kansas CityMissouriPop. 521,220
Population, July 2025
521,220+2.6% since April 2020
People per sq mile
1,657314.5 sq mi of land
Median age
35.814.3% are 65 or older
Households with kids
26.3%with anyone under 18

Population by year, 2000 to 2025

370k408k446k483k521k2000: 441,86120002001: 443,8462002: 445,28920022003: 445,6232004: 445,92820042005: 447,0152006: 449,65220062007: 452,3222008: 454,34820082009: 457,8972010: 459,78720102011: 462,4162012: 464,68920122013: 467,3672014: 470,86020142015: 475,3682016: 482,01320162017: 488,7972018: 492,75520182019: 496,2992020: 508,01220202021: 509,1752022: 509,21820222023: 511,5492024: 516,53920242025: 521,2202025
Darker bars are the April 2000, 2010 and 2020 benchmarks; the rest are July 1 estimates. Source: US Census Bureau population estimates (intercensal 2000-2010, Vintage 2020 and Vintage 2025).
YearPopulationChangeBasis
2025521,220+4,681Estimate, July 1
2024516,539+4,990Estimate, July 1
2023511,549+2,331Estimate, July 1
2022509,218+43Estimate, July 1
2021509,175+1,163Estimate, July 1
2020508,012+11,713April 2020 estimates base
2019496,299+3,544Estimate, July 1
2018492,755+3,958Estimate, July 1
2017488,797+6,784Estimate, July 1
2016482,013+6,645Estimate, July 1
2015475,368+4,508Estimate, July 1
2014470,860+3,493Estimate, July 1
2013467,367+2,678Estimate, July 1
2012464,689+2,273Estimate, July 1
2011462,416+2,629Estimate, July 1
2010459,787+1,8902010 Census (April 1)
2009457,897+3,549Estimate, July 1
2008454,348+2,026Estimate, July 1
2007452,322+2,670Estimate, July 1
2006449,652+2,637Estimate, July 1
2005447,015+1,087Estimate, July 1
2004445,928+305Estimate, July 1
2003445,623+334Estimate, July 1
2002445,289+1,443Estimate, July 1
2001443,846+1,985Estimate, July 1
2000441,861April 2000 estimates base

Year-to-year changes across 2010 and 2020 mix census counts with estimates, so small jumps at those years are partly method changes.

Frequently asked questions

What is the population of Kansas City in 2025?

The Census Bureau estimates Kansas City had 521,220 residents on July 1, 2025, making it the 37th-largest city in the US.

Is Kansas City growing?

Yes. Kansas City has grown 13.4% since the 2010 Census (459,787 people), and grown 2.6% since 2020.

What was the population of Kansas City in 2000?

About 441,861 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 459,787.

How dense is Kansas City?

Kansas City has about 1,657 people per square mile of land (314.5 square miles).

More about Kansas City

See cost of living, jobs and commutes in Kansas City, Kansas City weather by month, or every Kansas City ZIP code. For the biggest cities in the country, see the largest US cities.