Demographics · CA

Santa Ana, CA demographics.

Santa Ana, CA demographics: 312,534 residents, with a median age of 34.7 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).

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312,534people are estimated in Santa Ana, at a median age of 34.7 years (American Community Survey 2020–2024 period estimate)

Median age 34.7 years — younger than the U.S. median of 38.9.

ACS 2020–2024 5-year · ACS 5-Year Estimates 2020-2024 (released 2026-01-29)

In Santa Ana, the largest race group is Some other race (45.6%); 76.6% of residents are Hispanic or Latino (of any race); 41.8% were born outside the United States.

ACS 2020–2024 · B01001 / B01002

How old is Santa Ana?

The estimated median age in Santa Ana is 34.7 years (±0.5), compared with the U.S. estimate of 38.9 ± 0.1 years. These are descriptive comparisons, not significance tests. The population is 51.3% ± 0.6 percentage points male and 48.7% ± 0.6 percentage points female. The largest age band is 5 to 17 at 17.6%.

Under 5

5.3%

5 to 17

17.6%

18 to 24

10.8%

25 to 34

16.6%

35 to 44

14.1%

45 to 54

12.7%

55 to 64

11.4%

65 to 74

7.0%

75 and over

4.4%

Age band	People	Share	± margin
Under 5	16,628	5.3% ± 0.3 percentage points	±1,015
5 to 17	54,979	17.6% ± 0.6 percentage points	±1,903
18 to 24	33,803	10.8% ± 0.4 percentage points	±1,358
25 to 34	51,967	16.6% ± 0.6 percentage points	±1,736
35 to 44	44,001	14.1% ± 0.5 percentage points	±1,516
45 to 54	39,768	12.7% ± 0.4 percentage points	±1,197
55 to 64	35,779	11.4% ± 0.4 percentage points	±1,400
65 to 74	21,968	7.0% ± 0.4 percentage points	±1,133
75 and over	13,641	4.4% ± 0.3 percentage points	±935

Median age by sex: 33.8 (male) · 35.8 (female).

Shares may not sum to 100% due to rounding. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B01001 sex by age, B01002 median age) · place-grain · margins of error at the 90% confidence level · methodology →

ACS 2020–2024 · B02001 / B03003

What is the racial and ethnic makeup of Santa Ana?

The largest race group in Santa Ana is Some other race at 45.6% of the population. Separately, 76.6% of residents are Hispanic or Latino of any race.Race and Hispanic origin are two different questions on the census form, so their shares are reported separately and are not additive.

White alone

16.7%

Black or African American alone

0.8%

American Indian & Alaska Native alone

1.8%

Asian alone

12.5%

Native Hawaiian & Pacific Islander alone

0.1%

Some other race alone

45.6%

Two or more races

22.5%

Race (alone, or two or more)	People	Share	± margin
White alone	52,268	16.7% ± 1.0 percentage points	±3,281
Black or African American alone	2,436	0.8% ± 0.2 percentage points	±541
American Indian & Alaska Native alone	5,615	1.8% ± 0.3 percentage points	±969
Asian alone	39,060	12.5% ± 0.8 percentage points	±2,367
Native Hawaiian & Pacific Islander alone	370	0.1% ± 0.1 percentage points	±203 · low precision
Some other race alone	142,436	45.6% ± 1.6 percentage points	±4,891
Two or more races	70,349	22.5% ± 1.4 percentage points	±4,298
Hispanic or Latino (of any race)	239,503	76.6% ± 1.0 percentage points	±3,064

Race shares may not sum to 100% due to rounding; race and Hispanic origin are separate questions and are not additive. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B02001 race, B03003 Hispanic or Latino origin) · place-grain · margins of error at the 90% confidence level · methodology →

ACS 2020–2024 · B11001 / B25010

How many households are in Santa Ana?

Santa Ana has 81,069 households. 79.2% are family households and 14.3% are people living alone. The average household holds 3.81 people.

Total households

81,069

ACS 2020–2024 5-yr · B11001

Avg household size

3.81

ACS 2020–2024 5-yr · B25010 · ±0.06

Family households

79.2% ± 0.7 percentage points

Share of all households · B11001

Living alone

14.3% ± 1.1 percentage points

Share of all households · B11001

Household type	Households	± margin
Total households	81,069	±1,234
Family households	64,169	±1,136
Nonfamily households	16,900	±1,029
Householder living alone	11,616	±882

Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B11001 household type, B25010 average household size) · place-grain · methodology →

ACS 2020–2024 · B05002 / C16001

Where are Santa Ana residents from?

41.8% of Santa Ana residents were born outside the United States. 22.4% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (66.1%).

Measure	Value	Source / grain
Foreign-born share	41.8% ± 1.0 percentage points	130,637 people · B05002
Speak only English at home (age 5+)	22.4% ± 1.1 percentage points	C16001
Top non-English language at home	66.1% ± 1.3 percentage points	Spanish · 195,702 speakers · C16001

Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B05002 place of birth, C16001 language spoken at home) · place-grain · methodology →

ACS 2020–2024 · B15003

What share of Santa Ana has a college degree?

18.3% ± 0.8 percentage points of adults age 25 and over in Santa Ana hold a bachelor's degree or higher. The U.S. estimate is 35.7%.

Measure	Value	Source / grain
Bachelor's degree or higher (age 25+)	18.3%	B15003 lines 22–25 over line 1 · place-grain

Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B15003 educational attainment, population 25+) · place-grain · methodology →

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Sources · provenance

Datasets on this page.

The GEOID for Santa Ana is 0669000. Every figure on this page is a place-grain American Community Survey 5-Year 2020–2024 estimate (ACS 5-Year Estimates 2020-2024 (released 2026-01-29)) shown with its margin of error. Full per-dataset detail: /sources/.