Madison County, Idaho facts for kids
Quick facts for kids
Madison County
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Madison County Courthouse
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Location within the U.S. state of Idaho
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 Idaho's location within the U.S. |
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| Country |  United States |
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| State |  Idaho |
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| Founded | February 18, 1913 | |
| Named for | James Madison | |
| Seat | Rexburg | |
| Largest city | Rexburg | |
| Area | ||
| • Total | 473 sq mi (1,230 km2) | |
| • Land | 469 sq mi (1,210 km2) | |
| • Water | 4.0 sq mi (10 km2) 0.8% | |
| Population
(2020)
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| • Total | 52,913  |
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| • Density | 110/sq mi (40/km2) | |
| Time zone | UTC−7 (Mountain) | |
| • Summer (DST) | UTC−6 (MDT) | |
| Congressional district | 2nd | |
Madison County is a county located in the U.S. state of Idaho. As of the 2020 census, the population was 52,913. The county seat and largest city is Rexburg.
Madison County is part of the Rexburg, Idaho micropolitan area, which is also included in the Idaho Falls metropolitan area.
Contents
History
The area was originally settled by members of The Church of Jesus Christ of Latter-day Saints (Mormons). Before February 1913, the county was part of neighboring Fremont County. The newly established county was named for American president James Madison. BYU-Idaho, formerly Ricks College (named after early local LDS settler Thomas Edwin Ricks) is located here. Madison County was declared a national disaster area after the Teton Dam flood of June 5, 1976.
Geography
According to the U.S. Census Bureau, the county has a total area of 473 square miles (1,230 km2), of which 469 square miles (1,210 km2) is land and 4.0 square miles (10 km2) (0.8%) is water. It is the third-smallest county in Idaho by area.
Adjacent counties
- Fremont County - north
- Teton County - east
- Bonneville County - south
- Jefferson County - west
Major highways
US 20
SH-33
National protected area
- Targhee National Forest (part)
Demographics
| Historical population | |||
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| Census | Pop. | %± | |
| 1920 | 9,167 | — | |
| 1930 | 8,316 | −9.3% | |
| 1940 | 9,186 | 10.5% | |
| 1950 | 9,156 | −0.3% | |
| 1960 | 9,417 | 2.9% | |
| 1970 | 13,452 | 42.8% | |
| 1980 | 19,480 | 44.8% | |
| 1990 | 23,674 | 21.5% | |
| 2000 | 27,467 | 16.0% | |
| 2010 | 37,536 | 36.7% | |
| 2020 | 52,913 | 41.0% | |
| U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2020 2020 |
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2010 census
As of the 2010 United States Census, there were 37,536 people, 10,611 households, and 7,887 families living in the county. The population density was 80.0 inhabitants per square mile (30.9/km2). There were 11,280 housing units at an average density of 24.0 per square mile (9.3/km2). The racial makeup of the county was 93.9% white, 0.9% Asian, 0.5% black or African American, 0.3% American Indian, 0.1% Pacific islander, 2.8% from other races, and 1.5% from two or more races. Those of Hispanic or Latino origin made up 5.9% of the population. In terms of ancestry, 35.9% were English, 14.8% were German, 6.0% were Danish, 5.7% were American, and 5.4% were Irish.
Of the 10,611 households, 38.8% had children under the age of 18 living with them, 67.6% were married couples living together, 4.8% had a female householder with no husband present, 25.7% were non-families, and 10.1% of all households were made up of individuals. The average household size was 3.44 and the average family size was 3.42. The median age was 22.6 years.
Madison County had the lowest median household income in the state of Idaho; household in the county was $35,461 and the median income for a family was $41,117. Males had a median income of $38,398 versus $22,440 for females. The per capita income for the county was $13,735. About 21.4% of families and 32.2% of the population were below the poverty line, including 20.9% of those under age 18 and 10.1% of those age 65 or over.
Communities
Cities
Unincorporated community
See also
In Spanish: Condado de Madison (Idaho) para niños
