City · California
Fountain Valley, California
Fountain Valley, city, in Orange County, California. Fountain Valley had 55,508 residents on July 1, 2025 by the Census Bureau's estimate, down 2.7% since 2020; the 2020 Census counted 57,047 and the ACS 2020-2024 5-year estimates put it at 56,258 (±96). GEOID 0625380.
Residents, July 2025 estimate
55,508
Census Bureau estimate (no margin published)
2020 Census count: 57,047 · ACS 2020-2024: 56,258 ±96
Median household income
$115,237
±$8,309 (90% margin)
California: $99,122
Median home value
$1,072,300
±$16,485 (90% margin)
California: $734,700
Median gross rent
$2,631
±$134 (90% margin)
California: $2,036
Where is Fountain Valley and what county is it in?
Fountain Valley is a city in Orange County, California. It covers 9.1 square miles of land, 6,289 residents per square mile in 2020.
Fountain Valley is in the Los Angeles-Long Beach-Anaheim, CA metropolitan statistical area, which takes in 2 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Fountain Valley, and is it growing?
The Census Bureau estimates that 55,508 people lived in Fountain Valley on July 1, 2025, down 2.7% since 2020, a steeper fall than California's (−0.5%). The 2020 Census counted 57,047 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 56,258 (±96).
| Measure | Fountain Valley | Orange County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 56,258 ±96 | 3,165,820 | +232 |
| Households | 18,778 ±619 | 1,082,960 | no clear change |
| Average household size | 2.97 ±0.10 | 2.87 | no clear change |
| Housing units | 19,227 ±635 | 1,146,169 | no clear change |
Fountain Valley's population since 2000
From 54,978 in 2000 to 55,508 in 2025: up 1.0%. The 2000, 2010 and 2020 figures are census counts, each for Fountain Valley as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Fountain Valley?
The median resident of Fountain Valley is 44.4 years old; 19.0% are under 18 and 20.7% are 65 or older. The largest group is non-Hispanic white residents at 37.6%, then non-Hispanic Asian residents at 36.7%. 32.9% of residents were born outside the United States.
| Measure | Fountain Valley | Orange County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 44.4 ±1.4 | 39.4 | no clear change |
| Under 18 years | 19.0% ±1.3 pts | 21.0% | – |
| 65 years and over | 20.7% ±1.4 pts | 16.3% | – |
| Male | 50.1% ±1.3 pts | 49.5% | – |
| Hispanic or Latino (any race) | 17.2% ±2.5 pts | 34.2% | no clear change |
| White alone, not Hispanic | 37.6% ±2.2 pts | 36.9% | −6.7 pts |
| Black or African American alone, not Hispanic | 1.6% ±1.0 pts | 1.5% | no clear change |
| Asian alone, not Hispanic | 36.7% ±2.5 pts | 22.2% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 1.1% ±0.7 pts | 0.3% | – |
| Two or more races, not Hispanic | 4.9% ±1.1 pts | 4.3% | – |
| Some other race alone, not Hispanic | 0.8% ±0.4 pts | 0.5% | – |
| Born outside the United States | 32.9% ±2.1 pts | 30.4% | no clear change |
| Speak a language other than English at home (age 5+) | 47.5% ±2.8 pts | 46.4% | – |
| Civilian veterans (age 18+) | 3.1% ±0.5 pts | 3.5% | – |
| With a disability | 10.7% ±1.0 pts | 9.6% | – |
| No health insurance coverage | 3.3% ±0.7 pts | 6.4% | −1.8 pts |
| High school graduate or higher (age 25+) | 91.2% ±0.9 pts | 87.1% | – |
| Bachelor's degree or higher (age 25+) | 46.4% ±2.3 pts | 44.1% | no clear change |
| Graduate or professional degree (age 25+) | 14.5% ±1.4 pts | 16.3% | – |
| Lived in the same house a year earlier | 91.3% ±1.7 pts | 88.9% | – |
| Moved from another state in the past year | 0.7% ±0.3 pts | 1.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Fountain Valley earn?
Half of Fountain Valley's 18,778 households earn less than $115,237 a year (±$8,309), against $116,289 in Orange County and $99,122 in California. In 2015-2019 it was $114,547 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.0% of residents live below the poverty line.
| Measure | Fountain Valley | Orange County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $115,237 ±$8,309 | $116,289 | no clear change |
| Mean household income | $143,356 ±$6,305 | $156,759 | – |
| Per capita income | $48,652 ±$2,259 | $54,557 | no clear change |
| People below the poverty line | 8.0% ±1.2 pts | 9.5% | no clear change |
| Children under 18 below the poverty line | 5.1% ±1.8 pts | 10.7% | −5.3 pts |
| Households receiving SNAP | 9.2% ±1.8 pts | 8.5% | – |
| Households with a computer | 97.4% ±1.1 pts | 97.9% | – |
| Households with a broadband subscription | 94.6% ±1.3 pts | 95.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Fountain Valley?
Owners occupy 64.8% of Fountain Valley's occupied homes and renters 35.2%. The median owner-occupied home is valued at $1,072,300 by its owner (±$16,485). The median renter pays $2,631 a month including utilities, and 57.7% of renters pay 35% or more of their income on rent.
| Measure | Fountain Valley | Orange County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $1,072,300 ±$16,485 | $962,600 | +$167,986 |
| Median gross rent | $2,631 ±$134 | $2,434 | no clear change |
| Renters paying 35% or more of income on rent | 57.7% ±4.8 pts | 47.0% | no clear change |
| Median monthly owner costs, with a mortgage | $3,197 ±$123 | $3,385 | – |
| Owner-occupied homes | 64.8% ±2.6 pts | 56.4% | −5.3 pts |
| Renter-occupied homes | 35.2% ±2.6 pts | 43.6% | – |
| Housing units | 19,227 ±635 | 1,146,169 | no clear change |
| Homeowner vacancy rate | 0.0% ±0.3 pts | 0.7% | – |
| Rental vacancy rate | 2.2% ±1.5 pts | 4.4% | – |
| Single-family detached homes | 67.8% ±2.0 pts | 49.4% | – |
| Mobile homes | 1.0% ±0.3 pts | 2.7% | – |
| Built 2020 or later | 0.2% ±0.2 pts | 1.3% | – |
| Built 2010 to 2019 | 1.6% ±0.6 pts | 8.1% | – |
| Built 1939 or earlier | 0.7% ±0.4 pts | 2.5% | – |
| Households with no vehicle | 5.0% ±1.2 pts | 4.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Fountain Valley building?
Builders took permits for 358 new housing units in Fountain Valley in 2025 (88 in single-family houses), 6.4 per 1,000 residents against 2.6 across California.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Fountain Valley work and get to work?
74.9% of Fountain Valley's workers drive alone and 16.6% work from home. The average trip to work takes 26.0 minutes. The unemployment rate in 2020-2024 averaged 5.6%.
| Measure | Fountain Valley | Orange County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 60.9% ±1.9 pts | 65.6% | – |
| Unemployment rate | 5.6% ±1.5 pts | 5.4% | no clear change |
| Drove alone to work | 74.9% ±2.4 pts | 67.5% | – |
| Carpooled | 6.2% ±1.3 pts | 8.9% | – |
| Public transportation | 0.6% ±0.4 pts | 1.2% | – |
| Walked | 0.4% ±0.2 pts | 1.7% | – |
| Worked from home | 16.6% ±2.0 pts | 18.5% | +11.6 pts |
| Mean travel time to work | 26.0 min ±1.0 | 26.7 min | −1.7 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Fountain Valley?
12 census tracts lie mostly in Fountain Valley, and 4 more reach into it (2020 census blocks). Their median household incomes run from $74,444 (Tract 992.29) to $146,579 (Tract 992.25).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 992.32Orange County | 6,760 | $141,250 |
| Tract 992.27Orange County | 6,066 | $107,740 |
| Tract 992.29Orange County | 5,692 | $74,444 |
| Tract 992.51Orange County | 5,208 | $79,918 |
| Tract 992.31Orange County | 4,759 | $133,980 |
| Tract 992.30Orange County | 4,377 | $116,929 |
| Tract 992.34Orange County | 4,231 | $112,098 |
| Tract 992.25Orange County | 3,985 | $146,579 |
| Tract 992.26Orange County | 3,823 | $107,830 |
| Tract 992.33Orange County | 3,328 | $138,009 |
| Tract 992.50Orange County | 3,184 | $133,929 |
| Tract 992.24Orange County | 2,815 | $126,528 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Fountain Valley) · Census block assignment files
How does Fountain Valley compare with other places in California?
By the Census Bureau's July 2025 estimates, Fountain Valley is the 743rd-most populous of the 19,476 U.S. incorporated places that have one and the 164th-most populous of 483 in California.
Fountain Valley ranks 316th of 1,037 places in California with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 164th | 483 |
| Growth 2020-2025 (PEP) | 295th | 469 |
| Residents per square mile | 171st | 1,077 |
| Median household income | 316th | 1,037 |
| Per capita income | 432nd | 1,073 |
| Median home value | 203rd | 1,054 |
| Median gross rent | 167th | 987 |
| Poverty rate | 585th | 836 |
| Bachelor's degree or higher | 271st | 988 |
| Median age | 335th | 1,075 |
| Owner-occupied share | 563rd | 1,064 |
| Work from home | 397th | 822 |
| Travel time to work | 659th | 1,069 |
Fountain Valley's figures with every place in California (CSV)
Every place in California, sortable · Compare Fountain Valley with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Fountain Valley?
5 of the 57 figures for Fountain Valley on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Fountain Valley are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Fountain Valley.