Fountain Valley Population

1960–2026

55,205

2026 projection

3.2% since 2020 (decrease)

010K20K30K40K50K60K1960197019801990200020102020

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 Fountain Valley. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202655,205-3030.55%
202555,508-2570.46%
202455,765+530.10%
202355,712-2190.39%
202255,931-4580.81%
202156,389-6581.15%
202057,047-610.11%
201957,108-2680.47%
201857,376-2670.46%
201757,643-1300.23%

Showing 10 of 22 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

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

  • United States+3.1%
  • California−0.4%
  • Orange County−1.2%
  • Fountain Valley−2.6%

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.

Fountain Valley Demographics

44.4median age

Median age

Female46.7 yrs
Male41.3 yrs

Adults

45,573
11,640 seniors (65+) · 26% of adults33,933 other adults

Sex

Female 49.9% · 28,050Male 50.1% · 28,208

Population by age

MaleFemale85+ years, male: 60785+ years, female: 1,07380–84 years, male: 67180–84 years, female: 1,00675–79 years, male: 71275–79 years, female: 1,24670–74 years, male: 1,23770–74 years, female: 1,46965–69 years, male: 1,91365–69 years, female: 1,70660–64 years, male: 1,77460–64 years, female: 1,56755–59 years, male: 2,33155–59 years, female: 2,57950–54 years, male: 1,93250–54 years, female: 2,18845–49 years, male: 1,86645–49 years, female: 1,85840–44 years, male: 1,51640–44 years, female: 1,72835–39 years, male: 1,45735–39 years, female: 1,38930–34 years, male: 1,46030–34 years, female: 1,78025–29 years, male: 2,14125–29 years, female: 1,60020–24 years, male: 2,13920–24 years, female: 1,24615–19 years, male: 1,85015–19 years, female: 1,92610–14 years, male: 1,80110–14 years, female: 1,6865–9 years, male: 1,5395–9 years, female: 1,1270–4 years, male: 1,2620–4 years, female: 87685+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

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 563 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

Fountain Valley Income

$115,237median household income

Median household income

$115,237

Half of households earn more, half earn less

Median earnings

$59,233

Typical yearly pay for a worker 25 or older.

Poverty rate

8%

About 1 in 12 residents

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

Fountain Valley 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%51%49%
Never married34%39%29%
Divorced9%7%11%
Widowed6%3%9%
Separated1%<1%2%

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