Auburn population

Auburn, Washington had an estimated 86,301 residents on July 1, 2025, the 438th-largest city in the US. That is up 23% since the 2010 Census and up 56% since 2000.

AuburnWashingtonPop. 86,301
Population, July 2025
86,301-2.4% since April 2020
People per sq mile
2,91829.6 sq mi of land
Median age
36.012.5% are 65 or older
Households with kids
34.8%with anyone under 18

Population by year, 2000 to 2025

47k57k68k78k88k2000: 55,31220002001: 56,9202002: 57,94420022003: 58,9532004: 60,19020042005: 61,6822006: 63,45920062007: 65,1202008: 66,89420082009: 68,9532010: 70,18020102011: 71,7912012: 73,53520122013: 74,9962014: 76,27720142015: 77,5602016: 78,83220162017: 81,4292018: 81,84320182019: 81,3992020: 88,42920202021: 87,0902022: 86,15820222023: 85,6272024: 86,02620242025: 86,3012025
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
202586,301+275Estimate, July 1
202486,026+399Estimate, July 1
202385,627-531Estimate, July 1
202286,158-932Estimate, July 1
202187,090-1,339Estimate, July 1
202088,429+7,030April 2020 estimates base
201981,399-444Estimate, July 1
201881,843+414Estimate, July 1
201781,429+2,597Estimate, July 1
201678,832+1,272Estimate, July 1
201577,560+1,283Estimate, July 1
201476,277+1,281Estimate, July 1
201374,996+1,461Estimate, July 1
201273,535+1,744Estimate, July 1
201171,791+1,611Estimate, July 1
201070,180+1,2272010 Census (April 1)
200968,953+2,059Estimate, July 1
200866,894+1,774Estimate, July 1
200765,120+1,661Estimate, July 1
200663,459+1,777Estimate, July 1
200561,682+1,492Estimate, July 1
200460,190+1,237Estimate, July 1
200358,953+1,009Estimate, July 1
200257,944+1,024Estimate, July 1
200156,920+1,608Estimate, July 1
200055,312April 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 Auburn in 2025?

The Census Bureau estimates Auburn had 86,301 residents on July 1, 2025, making it the 438th-largest city in the US.

Is Auburn growing?

Yes. Auburn has grown 23% since the 2010 Census (70,180 people), and shrunk 2.4% since 2020.

What was the population of Auburn in 2000?

About 55,312 (the Census Bureau's April 2000 estimates base). By the 2010 Census it was 70,180.

How dense is Auburn?

Auburn has about 2,918 people per square mile of land (29.6 square miles).

More about Auburn

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