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California Census Data: Population & Housing Density

Population, Areas, and Housing Density for California counties are shown in this easy-to-read table and chart combination.

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Source: U.S. Census Bureau 2000 Census.


California Census Data: Population & Housing Density
LocationPopulationHousing unitsArea in square milesDensity per square mile of land areaLocation
Total areaWater areaLand areaPopulationHousing units
United States

281,421,906

115,904,641

3,794,083.06

256,644.62

3,537,438.44

79.6

32.8

United States
California

33,871,648

12,214,549

163,695.57

7,736.23

155,959.34

217.2

78.3

California
Alameda Co.1,443,741540,183821.1583.57737.571,957.4732.4Alameda Co.
Alpine Co.1,2081,514743.194.57738.621.62.0Alpine Co.
Amador Co.35,10015,035604.6911.73592.9759.225.4Amador Co.
Butte Co.203,17185,5231,677.1137.621,639.49123.952.2Butte Co.
Calaveras Co.40,55422,9461,036.8416.811,020.0439.822.5Calaveras Co.
Colusa Co.18,8046,7741,156.225.541,150.6816.35.9Colusa Co.
Contra Costa Co.948,816354,577802.1582.20719.951,317.9492.5Contra Costa Co.
Del Norte Co.27,50710,4341,229.75221.941,007.8127.310.4Del Norte Co.
El Dorado Co.156,29971,2781,788.1077.251,710.8591.441.7El Dorado Co.
Fresno Co.799,407270,7676,017.4254.705,962.73134.145.4Fresno Co.
Glenn Co.26,4539,9821,327.1612.361,314.7920.17.6Glenn Co.
Humboldt Co.126,51855,9124,052.22479.743,572.4935.415.7Humboldt Co.
Imperial Co.142,36143,8914,481.73307.004,174.7334.110.5Imperial Co.
Inyo Co.17,9459,04210,226.9823.8810,203.101.80.9Inyo Co.
Kern Co.661,645231,5648,161.4220.468,140.9681.328.4Kern Co.
Kings Co.129,46136,5631,391.490.501,390.9993.126.3Kings Co.
Lake Co.58,30932,5281,329.4871.521,257.9646.425.9Lake Co.
Lassen Co.33,82812,0004,720.37163.104,557.277.42.6Lassen Co.
Los Angeles Co.9,519,3383,270,9094,752.32691.454,060.872,344.2805.5Los Angeles Co.
Madera Co.123,10940,3872,153.3217.462,135.8657.618.9Madera Co.
Marin Co.247,289104,990828.20308.39519.80475.7202.0Marin Co.
Mariposa Co.17,1308,8261,462.7911.671,451.1211.86.1Mariposa Co.
Mendocino Co.86,26536,9373,878.14369.173,508.9724.610.5Mendocino Co.
Merced Co.210,55468,3731,971.8743.181,928.69109.235.5Merced Co.
Modoc Co.9,4494,8074,203.37259.283,944.102.41.2Modoc Co.
Mono Co.12,85311,7573,131.8087.403,044.404.23.9Mono Co.
Monterey Co.401,762131,7083,771.07449.123,321.95120.939.6Monterey Co.
Napa Co.124,27948,554788.2734.53753.73164.964.4Napa Co.
Nevada Co.92,03344,282974.4916.88957.6196.146.2Nevada Co.
Orange Co.2,846,289969,484947.98158.57789.403,605.61,228.1Orange Co.
LocationPopulationHousing unitsArea in square milesDensity per square mile of land areaLocation
Total areaWater areaLand areaPopulationHousing units
United States

281,421,906

115,904,641

3,794,083.06

256,644.62

3,537,438.44

79.6

32.8

United States
California

33,871,648

12,214,549

163,695.57

7,736.23

155,959.34

217.2

78.3

California
Placer Co.248,399107,3021,502.7898.411,404.37176.976.4Placer Co.
Plumas Co.20,82413,3862,613.4859.782,553.698.25.2Plumas Co.
Riverside Co.1,545,387584,6747,303.1395.767,207.37214.481.1Riverside Co.
Sacramento Co.1,223,499474,814995.4829.83965.651,267.0491.7Sacramento Co.
San Benito Co.53,23416,4991,390.731.681,389.0638.311.9San Benito Co.
San Bernardino Co.1,709,434601,36920,105.3252.8220,052.5085.230.0San Bernardino Co.
San Diego Co.2,813,8331,040,1494,525.52325.624,199.89670.0247.7San Diego Co.
San Francisco Co.776,733346,527231.92185.2246.6916,634.47,421.2San Francisco Co.
San Joaquin Co.563,598189,1601,426.2526.971,399.28402.8135.2San Joaquin Co.
San Luis Obispo Co.246,681102,2753,615.54311.223,304.3274.731.0San Luis Obispo Co.
San Mateo Co.707,161260,576741.01291.95449.071,574.7580.3San Mateo Co.
Santa Barbara Co.399,347142,9013,789.081,052.072,737.01145.952.2Santa Barbara Co.
Santa Clara Co.1,682,585579,3291,304.0113.321,290.691,303.6448.9Santa Clara Co.
Santa Cruz Co.255,60298,873607.16161.92445.24574.1222.1Santa Cruz Co.
Shasta Co.163,25668,8103,847.4462.243,785.1943.118.2Shasta Co.
Sierra Co.3,5552,202961.978.59953.383.72.3Sierra Co.
Siskiyou Co.44,30121,9476,347.4660.686,286.787.03.5Siskiyou Co.
Solano Co.394,542134,513906.6777.48829.19475.8162.2Solano Co.
Sonoma Co.458,614183,1531,768.23192.351,575.88291.0116.2Sonoma Co.
Stanislaus Co.446,997150,8071,514.6720.881,493.79299.2101.0Stanislaus Co.
Sutter Co.78,93028,319608.586.04602.54131.047.0Sutter Co.
Tehama Co.56,03923,5472,962.2711.282,950.9919.08.0Tehama Co.
Trinity Co.13,0227,9803,207.5428.933,178.614.12.5Trinity Co.
Tulare Co.368,021119,6394,839.0915.124,823.9776.324.8Tulare Co.
Tuolumne Co.54,50128,3362,274.3438.932,235.4124.412.7Tuolumne Co.
Ventura Co.753,197251,7122,208.20362.901,845.30408.2136.4Ventura Co.
Yolo Co.168,66061,5871,022.899.621,013.27166.560.8Yolo Co.
Yuba Co.60,21922,636643.7313.04630.6995.535.9Yuba Co.

Reading the Chart:

The entries under the Area in square miles headings are areas.

The entries under the Population and Housing Units headings are totals.

The Density per square mile of land area values are derived by dividing the population (or housing unit) count by the land ares. For example, dividing the total US population of 281,421,906 by the total land area of 3,537,438.44 gives a density value of 79.6 people per square mile.

In this chart the length of all of the colored bars represent percentages of the highest value of any county in the state. For example, the county with the highest population will have a colored bar that fills the cell. A county with half that many people will have a colored bar that fills half the cell. The same method is used for the colored bars shown in the Area and Density table cells. For small percentages the bar does not appear.

Abbreviations used in location names: Co.=County, C.A.=Census Area, Pa.=Parish, Mu.=Municipio.

Interested in California? Check out California Climate for data and charts about average weather, daylight, and global warming.

Please note that if you set your browser to display very large text sizes, the table cell sizes will change, and the lengths of the colored bars will not be accurate, although they will still show proportions.

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