Census 2010: Idaho › Madison County

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(Mapping 100 largest census tracts, by 2010 population.)

Madison County

Square miles: 473.2 Population per sq. mile: 80.0

  • 2010 population: 37,536
  • 2000 population: 27,467
  • Total change: 10,069 (36.7%)

See all Idaho counties

2010 population by race/ethnicity

Diversity Index: 17.1%
The USA TODAY Diversity Index represents the probability that two people from this area will have different ethnic backgrounds. A higher number reflects a more ethnically diverse population.

Age breakdown Median: 22.6 years old

Madison County population

Race/ethnicity2010 population2010 percentage2000 population2000 percentage2000-2010 change
White35,23593.9%26,23195.5%34.3%
Black1850.5%650.2%184.6%
American Indian/Alaska Native990.3%900.3%10.0%
Asian3520.9%1560.6%125.6%
Native Hawaiian/Pacific Islander550.1%500.2%10.0%
Other race1,0592.8%6132.2%72.8%
Two or more races5511.5%2621.0%110.3%
Total37,536100%27,467100%36.7%
*Hispanic origin2,2185.9%1,0783.9%105.8%

*Residents of Hispanic origin can be of any race.

Ages 0-17

Population: 9,748 (26.0%)

Diversity Index: 25.8%

Ages 18+

Population: 27,788 (74.0%)

Diversity Index: 20.1%

Race/ethnicityAges 0-17% of 0-17 totalAges 18+% of 18+ total
White9,05392.9%26,18294.2%
Black720.7%1130.4%
American Indian/Alaska Native260.3%730.3%
Asian670.7%2851.0%
Native Hawaiian/Pacific Islander60.1%490.2%
Other race3323.4%7272.6%
Two or more races1922.0%3591.3%
Total9,748100%27,788100%
*Hispanic origin7437.6%1,4755.3%

*Residents of Hispanic origin can be of any race.

Gender
Male2010
Population18,186 (48.4%)
Median age23.6
Female2010
Population19,350 (51.6%)
Median age21.6
Age breakdown by gender
AgePopulation% of totalMale% of male totalFemale% of female total
Under 106,06916.2%3,13317.2%2,93615.2%
10 to 19 years7,17619.1%2,87115.8%4,30522.2%
20 to 29 years13,90037.0%7,10139.0%6,79935.1%
30 to 39 years2,9057.7%1,4788.1%1,4277.4%
40 to 49 years2,3356.2%1,1526.3%1,1836.1%
50 to 59 years2,2576.0%1,1146.1%1,1435.9%
60 to 69 years1,4383.8%6993.8%7393.8%
70 to 79 years8772.3%4092.2%4682.4%
80 and older5791.5%2291.3%3501.8%
Total37,536100%18,186100%19,350100%

*Residents of Hispanic origin can be of any race.

Household types
Families 2010
Avg. size 3.4
Households 7,887 (74.3%)
Non-families 2010
Avg. size 3.4
Households 2,724 (25.7%)
Family composition
Households ‡ 2010 % of households % of families
Husband-wife family, without children 3,606 34.0% 45.7%
Husband-wife family, with children under 18 years 3,566 33.6% n/a
Single male, no children (with other family) 112 1.1% 1.4%
Single male, with children under 18 years 98 0.9% n/a
Single female, no children (with other family) 242 2.3% 3.1%
Single female, with children under 18 years 263 2.5% n/a
Single male living alone 445 4.2% n/a
Single female living alone 632 6.0% n/a
Other non-family households (ex.: roommates) 1,647 15.5% n/a
Total 10,611 100% n/a
Family households 7,887 74.3% 100%
Families with children under 18 years 3,927 37.0% n/a
Non-family households 2,724 25.7% n/a
All households with individuals 65 years and over 1,429 13.5% n/a

‡ United States Census Bureau definitions:

Household — A household includes all of the people who occupy a housing unit. People not living in households are classified as living in group quarters. (Ex: college residence halls, skilled-nursing facilities, military barracks, …)
Family — A family includes a householder and one or more people living in the same household who are related to the householder by birth, marriage, or adoption.
Non-family Household — A householder living alone or with nonrelatives only.

Note: Family households and husband-wife-couple families do not include same-sex married couples even if the marriage was performed in a state issuing marriage certificates for same-sex couples. Same-sex-couple households are included in the family households category if there is at least one additional person related to the householder by birth or adoption. Same-sex-couple households with no relatives of the householder present are tabulated in nonfamily households.

Housing Units
Owner-occupied2010
Population17,913
Avg. household size3.5
Renter-occupied2010
Population18,587
Avg. household size3.4
Vacancies
Vacancy Rate2010
Owner-occupied properties1.7%
Renter-occupied properties3.8%
Overall vacancy rate5.9%
Housing Units2010% of total
Occupied10,61194.1%
Vacant669 5.9%
For rent2202.0%
Rented, but unoccupied370.3%
For sale920.8%
Sold, but unoccupied740.7%
Seasonal use only810.7%
Other vacant units1651.5%
Total11,280100%
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Credits: Ryan Pitts, Mike Tigas Special thanks: USA Today Census team