Aliso Viejo vs Fountain Valley

A side-by-side comparison of Aliso Viejo and Fountain Valley: population, income, housing, and more.

Aliso Viejo and Fountain Valley are places in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Fountain Valley has the higher population (56,358 vs 51,320 in Aliso Viejo). Aliso Viejo has the higher median household income ($137,970 vs $111,797 in Fountain Valley). Fountain Valley has the higher median home value ($1,018,600 vs $863,800 in Aliso Viejo).

Population, income & housing

	Aliso Viejo	Fountain Valley
Population	51,320	56,358
Median age	38.6 yrs	43.7 yrs
Median household income	$137,970	$111,797
Median home value	$863,800	$1,018,600
Median gross rent	$2,774	$2,507
Housing units	20,370	19,250
Homeownership rate	56.6%	66.1%
Bachelor's degree or higher	57.1%	44.9%
Unemployment rate	3.7%	6.4%

Trends (ACS 5-year, 2019–2023)

	Aliso Viejo	Fountain Valley
Population	50,663 → 51,320 (+1.3%)	56,026 → 56,358 (+0.6%)
Median household income	$112,689 → $137,970 (+22.4%)	$93,075 → $111,797 (+20.1%)
Median home value	$632,900 → $863,800 (+36.5%)	$734,800 → $1,018,600 (+38.6%)
Median gross rent	$2,258 → $2,774 (+22.9%)	$2,034 → $2,507 (+23.3%)

Aliso Viejo

Population

50,66351,320

Median household income

$112,689$137,970

Median home value

$632,900$863,800

Median gross rent

$2,258$2,774

Fountain Valley

Population

56,02656,358

Median household income

$93,075$111,797

Median home value

$734,800$1,018,600

Median gross rent

$2,034$2,507

Age & race/ethnicity

Age distribution (share)

	Aliso Viejo	Fountain Valley
Under 5	6.5%	4.2%
5 to 17	17.7%	15.6%
18 to 24	7.1%	8.2%
25 to 34	12.6%	11.8%
35 to 44	15.8%	11.6%
45 to 54	15.8%	13.9%
55 to 64	13.9%	14.5%
65 to 74	5.6%	11.0%
75 and over	4.9%	9.3%

Race & ethnicity (share)

	Aliso Viejo	Fountain Valley
White (non-Hispanic)	55.3%	38.3%
Black or African American	2.0%	1.1%
American Indian & Alaska Native	0.0%	0.1%
Asian	16.7%	36.5%
Native Hawaiian & Pacific Islander	0.0%	0.8%
Some other race	0.3%	0.6%
Two or more races	6.3%	5.1%
Hispanic or Latino	19.3%	17.4%

Educational attainment (age 25+)

Share of adults 25+

	Aliso Viejo	Fountain Valley
No high school diploma	3.6%	9.6%
High school graduate	11.7%	18.0%
Some college or associate's	27.6%	27.6%
Bachelor's degree	36.2%	31.1%
Graduate or professional degree	20.9%	13.8%

Commute to work

How workers get to work (share)

	Aliso Viejo	Fountain Valley
Drove alone	66.2%	74.6%
Carpooled	7.3%	8.5%
Public transit	0.6%	0.3%
Walked	1.3%	0.7%
Bicycle	0.2%	0.1%
Worked from home	23.5%	14.6%
Other means	0.9%	1.1%

Housing

Units in structure (share)

	Aliso Viejo	Fountain Valley
1-unit, detached	36.4%	67.5%
1-unit, attached	25.4%	10.8%
2 to 4 units	4.3%	4.6%
5 to 19 units	11.8%	7.3%
20 or more units	21.2%	8.5%
Mobile home & other	0.9%	1.3%

Poverty & households

	Aliso Viejo	Fountain Valley
Poverty rate	5.2%	7.3%
Average household size	2.60	2.96
Mean commute (minutes)	26	26
Median year structure built	1995	1973