Fountain Valley, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Fountain Valley, California is 56,358 as of the 2023 American Community Survey, making it the 164th-largest city in California. The median household income is $111,797, the median home value is $1,018,600, and the median age is 43.7.
The population has grown 1.0% since 2010 (55,470 → 56,036).
56,358
Population
6213
People / sq mi
$111,797
Median Income
$1,018,600
Median Home Value
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Fountain Valley covers 9.1 sq mi of land at 6213 people per square mile.
About Fountain Valley, CA
In Fountain Valley, home values do the distinguishing — a median of $1,018,600. With 56,358 residents, Fountain Valley is a city in California.
Median household income is $111,797, above the US median of $78,538. The poverty rate, 3.8%, is on the lower side for US cities and below the national 12.4%. Real estate commands a premium here — a median home value of $1,018,600, with typical rent around $2,507.
College attainment is above the local norm at 44.9%, above the national 35.0%. About 14.6% of the workforce is home-based, close to the national 14.0%, and the average commute runs about 26 minutes each way.
High housing values reframe the income picture in Fountain Valley — even solid earnings stretch less against home prices and rents at this level.
Fountain Valley city Population History (2010-2024)
The city of Fountain Valley city had a population of 55,470 in 2010 and 56,036 in 2024, a 1.0% growth over 14 years. The peak was 56,972 in 2020. Average annual growth rate: 0.08%.
56,036
Population (2024)
55,470
Population (2010)
56,972
Peak (2020)
0.08%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 55,470 |
| 2011 | 55,950 |
| 2012 | 56,318 |
| 2013 | 56,601 |
| 2014 | 56,671 |
| 2015 | 56,643 |
| 2016 | 56,423 |
| 2017 | 56,051 |
| 2018 | 55,663 |
| 2019 | 55,357 |
| 2020 | 56,972 |
| 2021 | 56,373 |
| 2022 | 55,978 |
| 2023 | 55,818 |
| 2024 | 56,036 |
Race & Ethnicity
| White | 43.1% |
| Black or African American | 1.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.4% |
| Two or More Races | 0.0% |
Economy & Income
$111,797
Median Household Income
$48,238
Per Capita Income
3.8%
Poverty Rate
3.9%
Unemployment Rate
Housing
$1,018,600
Median Home Value
$2,507
Median Rent
66.1%
Owner-Occupied
Education
90.4%
High School+
44.9%
Bachelor's+
Commute
0.3%
Drive Alone
74.6%
Public Transit
14.6%
Work From Home
25.9 min
Avg Commute
Community Profile
14.4%
Foreign Born
53.9%
Non-English at Home
3.2%
Veterans
9.9%
With Disability
96.2%
Health Insurance
96.7%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 20.8% |
| Finance, Insurance & Real Estate | 13.8% |
| Education, Health Care & Social Services | 11.5% |
| Manufacturing | 11.4% |
| Information | 10.0% |
| Arts, Entertainment & Food Services | 4.8% |
| Retail Trade | 4.5% |
| Construction | 4.2% |
| Public Administration | 3.0% |
| Transportation & Warehousing | 1.3% |
| Agriculture & Mining | 0.3% |
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Frequently Asked Questions
Fountain Valley, California has a population of 56,358 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 164th-largest city in California.
The median household income in Fountain Valley, California is $111,797, with 3.8% of residents living below the federal poverty level.
The median home value in Fountain Valley, California is $1,018,600, with median monthly rent at $2,507 and a homeownership rate of 66.1%.
The median age in Fountain Valley, California is 43.7 years. The population is 50.1% male and 49.9% female.
The population has grown 1.0% since 2010 (55,470 → 56,036).
Fountain Valley city, CA Climate
Fountain Valley city, CA has an average annual temperature of 17.8°C (64°F) and receives about 331 mm of precipitation per year. The warmest month is August and the coldest is December. Figures are 1970–2000 climate normals.
17.8°C
Avg Temp
331
Precip (mm/yr)
Aug
Hottest Month
Dec
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 14° / 57° | 72 mm |
| February | 15° / 58° | 72 mm |
| March | 15° / 59° | 64 mm |
| April | 17° / 62° | 18 mm |
| May | 18° / 64° | 5 mm |
| June | 20° / 68° | 2 mm |
| July | 22° / 71° | 0 mm |
| August | 23° / 73° | 3 mm |
| September | 22° / 71° | 7 mm |
| October | 20° / 67° | 9 mm |
| November | 16° / 61° | 32 mm |
| December | 14° / 57° | 47 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Fountain Valley city, CA
The most comfortable months to visit Fountain Valley city, CA are typically July, June and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 27°C high). The coldest is December (near 8°C low). January is usually the wettest month.
Where to stay near Fountain Valley
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.