Bordering states

California vs Oregon

Short answer

California has 39,431,263 residents, 9.2 times Oregon's 4,272,371. California is the larger by land, 1.62 times the size of Oregon.
CA
39,431,263
OR
4,272,371

The two states, county by county

Both maps share one density scale, so the same shade means the same number of people per square mile on either side of the border. Darker counties are denser. Select a county to open its page.

California

Los Angeles County: 2,403.1 per sq miKings County: 111.4 per sq miSierra County: 3.3 per sq miRiverside County: 350.9 per sq miSanta Barbara County: 162.6 per sq miSan Bernardino County: 110.3 per sq miNevada County: 106.7 per sq miSanta Clara County: 1,492.0 per sq miYuba County: 138.4 per sq miFresno County: 171.9 per sq miPlumas County: 7.4 per sq miMonterey County: 132.9 per sq miAmador County: 70.7 per sq miAlameda County: 2,236.1 per sq miTulare County: 100.2 per sq miSan Joaquin County: 586.2 per sq miAlpine County: 1.5 per sq miSiskiyou County: 6.8 per sq miButte County: 127.3 per sq miKern County: 113.4 per sq miSan Diego County: 783.5 per sq miSacramento County: 1,669.2 per sq miVentura County: 453.8 per sq miYolo County: 222.4 per sq miLake County: 54.0 per sq miNapa County: 176.5 per sq miTehama County: 21.9 per sq miSan Francisco County: 17,723.8 per sq miEl Dorado County: 112.9 per sq miCalaveras County: 45.6 per sq miInyo County: 1.8 per sq miShasta County: 48.0 per sq miLassen County: 6.2 per sq miSan Luis Obispo County: 85.4 per sq miMariposa County: 11.8 per sq miTrinity County: 4.9 per sq miContra Costa County: 1,635.7 per sq miMendocino County: 25.4 per sq miImperial County: 43.5 per sq miSanta Cruz County: 589.5 per sq miPlacer County: 308.3 per sq miOrange County: 3,998.7 per sq miSan Benito County: 49.8 per sq miMarin County: 492.9 per sq miSan Mateo County: 1,656.0 per sq miColusa County: 19.2 per sq miDel Norte County: 26.8 per sq miSolano County: 553.8 per sq miGlenn County: 21.5 per sq miTuolumne County: 24.3 per sq miSonoma County: 308.1 per sq miHumboldt County: 37.1 per sq miMono County: 4.3 per sq miStanislaus County: 372.3 per sq miMerced County: 153.1 per sq miSutter County: 163.5 per sq miMadera County: 77.4 per sq miModoc County: 2.2 per sq mi
People per sq mi
  1. < 7
  2. < 44
  3. < 107
  4. < 308
  5. ≥ 308
no data

Residents, 2024

  1. 01California39,431,263
  2. 02Oregon4,272,371

Land, square miles

  1. 01California155,859
  2. 02Oregon95,997

People per square mile

  1. 01California253.0
  2. 02Oregon44.5

Median county household income

  1. 01California$81,175
  2. 02Oregon$68,568

Side by side

MeasureCaliforniaOregon
Residents, 202439,431,2634,272,371
Rank by population1st27th
Land, sq mi155,85995,997
People per sq mi253.044.5
County-equivalents5836
Median county residents187,27446,128
Median county income$81,175$68,568
Most populous countyLos Angeles CountyMultnomah County
Largest county by landSan Bernardino CountyHarney County
CapitalSacramentoSalem
Daylight at capital, June 2114 h 52 min15 h 37 min
Census divisionPacificPacific
Census Vintage 2024 population, 2024 Gazetteer land area, SAIPE 2023 income. Daylight computed with SunCalc.

Population and density

California has 39,431,263 residents, 9.2 times Oregon's 4,272,371. California ranks 1st and Oregon 27th of the 50 states and DC. California is the more crowded, with 253.0 people per square mile against 44.5, 5.7 times.

Land area

California has 155,859 square miles of land, 62% more than Oregon's 95,997. The largest county-equivalent in California is San Bernardino County at 20,068 square miles; in Oregon it is Harney County at 10,134.

Counties

California is divided into 58 county-equivalents and Oregon into 36, so an average California county covers 2,687 square miles against 2,667. The typical county in California has 187,274 residents, against 46,128 in Oregon. The most populous are Los Angeles County (9,757,179) and Multnomah County (795,897).

1 county name appears on both sides of the border: Lake. Use the FIPS code, not the name, when joining data across the two states.

Household income

The median county in California has a household income of $81,175, 18% above Oregon's $68,568. The highest county incomes are Santa Clara County ($154,573) in California and Washington County ($103,486) in Oregon, from SAIPE 2023.

Capitals and daylight

Sacramento and Salem are 447 miles apart in a straight line; from Sacramento the initial bearing is 350°, N. On June 21, 2026, Sacramento gets 14 h 52 min of daylight and Salem 15 h 37 min; on December 21 the figures are 9 h 28 min and 8 h 46 min. Month by month tables are on the Sacramento and Salem daylight pages.

Where they sit

Both are in the Census Pacific division of the West region. By county internal points, California spans 2 UTM zones and Oregon 2.

Questions people ask

Which is bigger, California or Oregon?

California, with 155,859 square miles of land against 95,997, 1.62 times as large.

Which has more people, California or Oregon?

California has 39,431,263 residents, 9.2 times Oregon's 4,272,371.

How far is Sacramento from Salem?

447 miles in a straight line, heading N (350°) from Sacramento.

Do California and Oregon have counties with the same name?

Yes, 1: Lake.

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 Bureau regions and divisions of the United States (last verified 2026-09-30)

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