Auburn Population

1890–2026

85,735

2026 projection

1.7% since 2020 (decrease)

020K40K60K80K100K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Auburn. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202685,735-5660.66%
202586,301+2750.32%
202486,026+3990.47%
202385,627-5310.62%
202286,158-9321.07%
202187,090-1660.19%
202087,256+2360.27%
201987,020+1640.19%
201886,856+1,0211.19%
201785,835+3,2043.88%

Showing 10 of 29 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Auburn has a population change lower than King County, Washington, and the U.S.

  • Washington+3.5%
  • King County+3.1%
  • United States+3.1%
  • Auburn−2.2%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Auburn Demographics

36median age

Median age

Female36.8 yrs
Male35.1 yrs

Adults

64,331
10,676 seniors (65+) · 17% of adults53,655 other adults

Sex

Female 49.2% · 42,155Male 50.8% · 43,521

Population by age

MaleFemale85+ years, male: 43685+ years, female: 71080–84 years, male: 35880–84 years, female: 50175–79 years, male: 1,07275–79 years, female: 96870–74 years, male: 1,30570–74 years, female: 1,40665–69 years, male: 1,77665–69 years, female: 2,14460–64 years, male: 2,58660–64 years, female: 2,62355–59 years, male: 2,74555–59 years, female: 2,48650–54 years, male: 2,55050–54 years, female: 2,47445–49 years, male: 2,60745–49 years, female: 2,55440–44 years, male: 3,26140–44 years, female: 2,65735–39 years, male: 3,14335–39 years, female: 3,95330–34 years, male: 3,55830–34 years, female: 3,31725–29 years, male: 2,77625–29 years, female: 2,50020–24 years, male: 2,86220–24 years, female: 2,40215–19 years, male: 3,27415–19 years, female: 3,23210–14 years, male: 3,23410–14 years, female: 2,6215–9 years, male: 3,3665–9 years, female: 2,7500–4 years, male: 2,6120–4 years, female: 2,85785+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K3K3K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 857 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Auburn Income

$97,884median household income

Median household income

$97,884

Half of households earn more, half earn less

Median earnings

$57,480

Typical yearly pay for a worker 25 or older.

Poverty rate

8.9%

About 1 in 11 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Auburn Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%48%46%
Never married35%38%31%
Divorced12%10%14%
Widowed4%2%6%
Separated1%<1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources