Westminster Population

1890–2026

88,580

2026 projection

2.6% 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 Westminster. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202688,580-3860.43%
202588,966-2610.29%
202489,227+1430.16%
202389,084-4890.55%
202289,573-6340.70%
202190,207-7040.77%
202090,911-2340.26%
201991,145-5580.61%
201891,703-4940.54%
201792,197-1840.20%

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

Westminster has a population change lower than Orange County, California, and the U.S.

  • United States+3.1%
  • California−0.4%
  • Orange County−1.2%
  • Westminster−2.0%

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.

Westminster Demographics

43.2median age

Median age

Female43 yrs
Male43.3 yrs

Adults

71,450
17,302 seniors (65+) · 24% of adults54,148 other adults

Sex

Female 49.7% · 44,699Male 50.3% · 45,161

Population by age

MaleFemale85+ years, male: 1,11385+ years, female: 1,36080–84 years, male: 1,20780–84 years, female: 1,21475–79 years, male: 1,38475–79 years, female: 1,77070–74 years, male: 1,71770–74 years, female: 1,89965–69 years, male: 2,85765–69 years, female: 2,78160–64 years, male: 3,42360–64 years, female: 3,19555–59 years, male: 3,63455–59 years, female: 3,03950–54 years, male: 3,40850–54 years, female: 3,01945–49 years, male: 2,91845–49 years, female: 3,21640–44 years, male: 2,40040–44 years, female: 2,20435–39 years, male: 2,64635–39 years, female: 2,55430–34 years, male: 2,82730–34 years, female: 2,63225–29 years, male: 3,42025–29 years, female: 2,35020–24 years, male: 2,51220–24 years, female: 2,68915–19 years, male: 2,99915–19 years, female: 2,41310–14 years, male: 2,65510–14 years, female: 3,3145–9 years, male: 1,9225–9 years, female: 2,4600–4 years, male: 2,1190–4 years, female: 2,59085+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 899 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

Westminster Income

$85,541median household income

Median household income

$85,541

Half of households earn more, half earn less

Median earnings

$46,340

Typical yearly pay for a worker 25 or older.

Poverty rate

14.4%

About 1 in 7 residents

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

Westminster Marital Status

50% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married50%50%50%
Never married34%39%29%
Divorced8%7%10%
Widowed6%3%9%
Separated2%1%3%

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

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources