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Idaho Census Data: Population & Housing Density

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

Scroll down for information about Reading the chart.

Source: U.S. Census Bureau 2000 Census.


Idaho 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
Idaho

1,293,953

527,824

83,570.08

822.87

82,747.21

15.6

6.4

Idaho
Ada Co.300,904118,5161,060.335.341,054.99285.2112.3Ada Co.
Adams Co.3,4761,9821,370.005.431,364.582.51.5Adams Co.
Bannock Co.75,56529,1021,147.4634.161,113.3067.926.1Bannock Co.
Bear Lake Co.6,4113,2681,049.4478.05971.386.63.4Bear Lake Co.
Benewah Co.9,1714,238783.987.91776.0711.85.5Benewah Co.
Bingham Co.41,73514,3032,120.2425.512,094.7319.96.8Bingham Co.
Blaine Co.18,99112,1862,661.0216.242,644.787.24.6Blaine Co.
Boise Co.6,6704,3491,906.764.301,902.463.52.3Boise Co.
Bonner Co.36,83519,6461,919.59181.921,737.6721.211.3Bonner Co.
Bonneville Co.82,52230,4841,900.6532.181,868.4844.216.3Bonneville Co.
Boundary Co.9,8714,0951,278.219.401,268.817.83.2Boundary Co.
Butte Co.2,8991,2902,233.590.742,232.851.30.6Butte Co.
Camas Co.9916011,079.024.061,074.960.90.6Camas Co.
Canyon Co.131,44147,965603.5113.79589.72222.981.3Canyon Co.
Caribou Co.7,3043,1881,798.6232.611,766.014.11.8Caribou Co.
Cassia Co.21,4167,8622,580.3113.862,566.458.33.1Cassia Co.
Clark Co.1,0225211,765.210.581,764.630.60.3Clark Co.
Clearwater Co.8,9304,1442,488.1026.702,461.403.61.7Clearwater Co.
Custer Co.4,3422,9834,936.7911.344,925.450.90.6Custer Co.
Elmore Co.29,13010,5273,100.5122.933,077.579.53.4Elmore Co.
Franklin Co.11,3293,872668.362.92665.4317.05.8Franklin Co.
Fremont Co.11,8196,8901,895.5928.841,866.766.33.7Fremont Co.
Gem Co.15,1815,888565.753.17562.5827.010.5Gem Co.
Gooding Co.14,1555,505733.843.06730.7819.47.5Gooding Co.
Idaho Co.15,5117,5378,502.4817.598,484.881.80.9Idaho Co.
Jefferson Co.19,1556,2871,105.5510.471,095.0817.55.7Jefferson Co.
Jerome Co.18,3426,713601.872.03599.8430.611.2Jerome Co.
Kootenai Co.108,68546,6071,315.6970.571,245.1287.337.4Kootenai Co.
Latah Co.34,93513,8381,076.890.241,076.6532.412.9Latah Co.
Lemhi Co.7,8064,1544,569.505.354,564.161.70.9Lemhi 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
Idaho

1,293,953

527,824

83,570.08

822.87

82,747.21

15.6

6.4

Idaho
Lewis Co.3,7471,795479.810.77479.047.83.7Lewis Co.
Lincoln Co.4,0441,6511,205.860.331,205.533.41.4Lincoln Co.
Madison Co.27,4677,630473.361.84471.5258.316.2Madison Co.
Minidoka Co.20,1747,498762.983.36759.6226.69.9Minidoka Co.
Nez Perce Co.37,41016,203856.367.28849.0844.119.1Nez Perce Co.
Oneida Co.4,1251,7551,201.611.281,200.333.41.5Oneida Co.
Owyhee Co.10,6444,4527,696.7118.727,677.981.40.6Owyhee Co.
Payette Co.20,5787,949410.192.67407.5250.519.5Payette Co.
Power Co.7,5382,8441,442.6037.031,405.575.42.0Power Co.
Shoshone Co.13,7717,0572,635.501.592,633.915.22.7Shoshone Co.
Teton Co.5,9992,632450.570.21450.3613.35.8Teton Co.
Twin Falls Co.64,28425,5951,928.473.441,925.0333.413.3Twin Falls Co.
Valley Co.7,6518,0843,733.6655.843,677.822.12.2Valley Co.
Washington Co.9,9774,1381,473.5417.231,456.326.92.8Washington 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 Idaho? Check out Idaho 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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