• county
  • FIPS 06059
  • Largest town: Anaheim

Orange County, California

Orange County had 3,170,435 residents in the Census Vintage 2024 estimate, on 792.9 square miles of land. It ranks 3rd of 58 in California by population and 47th by land area.

Population
3,170,435
#3 of 58 in California · #6 in US
Area
792.9 sq mi
#47 of 58 in California · #1,082 in US
Density
3,999 / sq mi
#2 of 58 in California · #27 in US
Median household income
$109,768
#8 of 58 in California · #68 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Orange County within California. Pin: Sacramento.

Measure from here

Tools and pages that start from Orange County

Orange County population, land area and income

Orange County had 3,170,435 residents in the Census Vintage 2024 estimate, on 792.9 square miles of land. It ranks 3rd of 58 in California by population and 47th by land area. That works out to 3,998.7 people per square mile, 41.5 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in California has 187,274 residents, so Orange County is 16.9 times that size.

Its SAIPE 2023 median household income of $109,768 is in the top tenth among 3,143 counties with an estimate.

National rank among 3,144

Population

3,170,435

3144th1st

6th of 3,144 (US)

Land area

793 sq mi

3144th1st

1082nd of 3,144 (US)

Density

3,998.7 / sq mi

3144th1st

27th of 3,144 (US)

Median household income

$109,768

3143rd1st

68th of 3,143 (US)

Rank within California (58)

Population

3,170,435

58th1st

3rd of 58 (CA)

Land area

793 sq mi

58th1st

47th of 58 (CA)

Density

3,998.7 / sq mi

58th1st

2nd of 58 (CA)

Median household income

$109,768

58th1st

8th of 58 (CA)

How Orange County's population changed since 2020

Orange County lost 15,826 residents between the July 2020 and July 2024 estimates, a drop of 0.5%. That ranks 28th of 58 in California for growth. The median California county changed by -0.6%, and the state as a whole by -0.2%.

Since the April 2020 estimates base, Orange County recorded 129,729 births and 99,973 deaths, a natural change of +29,756. Net international migration added +77,709 and net domestic migration, people moving to or from other US counties, came to -124,498. The largest single component was domestic migration, which removed 124,498 people.

3.19M20203.16M20213.16M20223.15M20233.17M2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
129,729
Deaths
99,973
Net international migration
+77,709
Net domestic migration
-124,498
Change, July 2023 to July 2024
+15,872

Where Orange County is

The Census internal point of Orange County is at 33.675700, -117.777200. It sits in UTM zone 11N. The map shades California's 58 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Orange County outlined. Dots are towns of 1,000+ people with residents in it.

Los Angeles County: -2.4%Kings County: +1.4%Sierra County: -3.6%Riverside County: +4.3%Santa Barbara County: -0.8%San Bernardino County: +1.4%Nevada County: -0.1%Santa Clara County: +0.1%Yuba County: +6.7%Fresno County: +1.4%Plumas County: -4.7%Monterey County: -1.0%Amador County: +3.6%Alameda County: -1.9%Tulare County: +2.0%San Joaquin County: +4.5%Alpine County: -6.8%Siskiyou County: -3.4%Butte County: -0.9%Kern County: +1.8%San Diego County: -0.1%Sacramento County: +1.5%Ventura County: -1.0%Yolo County: +3.4%Lake County: -0.6%Napa County: -3.4%Tehama County: -1.9%San Francisco County: -5.4%El Dorado County: +0.8%Calaveras County: +2.5%Inyo County: -2.7%Shasta County: -0.6%Lassen County: -12.3%San Luis Obispo County: -0.0%Mariposa County: -0.5%Trinity County: -2.8%Contra Costa County: +0.6%Mendocino County: -2.4%Imperial County: +1.1%Santa Cruz County: -3.4%Placer County: +6.9%Orange County: -0.5%San Benito County: +7.2%Marin County: -1.9%San Mateo County: -2.6%Colusa County: +0.9%Del Norte County: -2.2%Solano County: +0.5%Glenn County: -2.0%Tuolumne County: -2.7%Sonoma County: -0.6%Humboldt County: -2.9%Mono County: -1.8%Stanislaus County: +0.6%Merced County: +4.9%Sutter County: -0.9%Madera County: +5.8%Modoc County: -2.1%
Change 2020 to 2024
  1. < -2.7%
  2. < -1.0%
  3. < -0.0%
  4. < +1.5%
  5. ≥ +1.5%
no data

Orange pin: Orange County internal point. Dark pin: Sacramento.

Internal point

Decimal
33.675700, -117.777200
DMS
33°40'32.52"N 117°46'37.92"W
UTM
11N 427954.8E 3726470.1N
Geohash
9mupxfmr0
Plus code
8554M6GF+74

Towns in Orange County

34 incorporated places of 1,000+ people have residents in Orange County, 3,039,169 people together, or 96% of the county. Each figure counts only the part of the town inside Orange County; towns marked "part" extend into another county. The largest is Anaheim with 344,561.

  1. 01Anaheim344,561
  2. 02Irvine318,683
  3. 03Santa Ana316,184
  4. 04Huntington Beach193,151
  5. 05Garden Grove172,361
  6. 06Fullerton140,054
  7. 07Orange137,941
  8. 08Costa Mesa109,131
  9. 09Mission Viejo91,601
  10. 10Westminster89,537
  11. 11Lake Forest87,159
  12. 12Newport Beach82,970
  13. 13Buena Park82,611
  14. 14Tustin78,863
  15. 15Yorba Linda66,489
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Orange County

The Census 2024 county adjacency file lists 4 neighbors for Orange County. The most populous is Los Angeles County, CA, with 9,757,179 residents. Distances run between Census internal points in a straight line.

Distance to Sacramento and the nearest big city

Sacramento is 397.0 miles NNW of Orange County's internal point in a straight line. The nearest place of 100,000 or more is Irvine, CA (population 318,683), 0.4 miles away.

Orange County FIPS code

The FIPS code of Orange County is 06059: state code 06 for California plus county code 059. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $109,768.

Questions people ask

What is the population of Orange County, California?

The Census Vintage 2024 estimate for July 1, 2024 is 3,170,435. That is down 15,826 people (0.5%) from the July 2020 estimate of 3,186,261.

What is the FIPS code of Orange County?

06059. The first two digits (06) are California; the last three (059) identify the county.

What is the largest town in Orange County?

Anaheim, with 344,561 residents inside Orange County in 2024.

Which counties border Orange County?

4 county-equivalents border it in the Census 2024 adjacency file: Los Angeles County, CA; San Diego County, CA; Riverside County, CA; San Bernardino County, CA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.