Census 2010: Idaho › Blaine County

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

Blaine County

Square miles: 2,660.7 Population per sq. mile: 8.1

  • 2010 population: 21,376
  • 2000 population: 18,991
  • Total change: 2,385 (12.6%)

See all Idaho counties

2010 population by race/ethnicity

Diversity Index: 36.9%
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: 40.4 years old

Blaine County population

Race/ethnicity2010 population2010 percentage2000 population2000 percentage2000-2010 change
White18,15784.9%17,23190.7%5.4%
Black390.2%250.1%56.0%
American Indian/Alaska Native1250.6%620.3%101.6%
Asian1830.9%1390.7%31.7%
Native Hawaiian/Pacific Islander160.1%130.1%23.1%
Other race2,53011.8%1,2226.4%107.0%
Two or more races3261.5%2991.6%9.0%
Total21,376100%18,991100%12.6%
*Hispanic origin4,27220.0%2,03010.7%110.4%

*Residents of Hispanic origin can be of any race.

Ages 0-17

Population: 5,203 (24.3%)

Diversity Index: 63.5%

Ages 18+

Population: 16,173 (75.7%)

Diversity Index: 44.1%

Race/ethnicityAges 0-17% of 0-17 totalAges 18+% of 18+ total
White4,05177.9%14,10687.2%
Black200.4%190.1%
American Indian/Alaska Native410.8%840.5%
Asian450.9%1380.9%
Native Hawaiian/Pacific Islander50.1%110.1%
Other race92017.7%1,61010.0%
Two or more races1212.3%2051.3%
Total5,203100%16,173100%
*Hispanic origin1,60630.9%2,66616.5%

*Residents of Hispanic origin can be of any race.

Gender
Male2010
Population10,886 (50.9%)
Median age40
Female2010
Population10,490 (49.1%)
Median age40.8
Age breakdown by gender
AgePopulation% of totalMale% of male totalFemale% of female total
Under 102,95113.8%1,51313.9%1,43813.7%
10 to 19 years2,61012.2%1,35212.4%1,25812.0%
20 to 29 years2,14610.0%1,10610.2%1,0409.9%
30 to 39 years2,84413.3%1,47513.5%1,36913.1%
40 to 49 years3,27715.3%1,59414.6%1,68316.0%
50 to 59 years3,58016.7%1,78816.4%1,79217.1%
60 to 69 years2,53311.8%1,29011.9%1,24311.8%
70 to 79 years9894.6%5605.1%4294.1%
80 and older4462.1%2081.9%2382.3%
Total21,376100%10,886100%10,490100%

*Residents of Hispanic origin can be of any race.

Household types
Families 2010
Avg. size 3.0
Households 5,575 (63.2%)
Non-families 2010
Avg. size 2.4
Households 3,248 (36.8%)
Family composition
Households ‡ 2010 % of households % of families
Husband-wife family, without children 2,588 29.3% 46.4%
Husband-wife family, with children under 18 years 1,981 22.5% n/a
Single male, no children (with other family) 124 1.4% 2.2%
Single male, with children under 18 years 237 2.7% n/a
Single female, no children (with other family) 180 2.0% 3.2%
Single female, with children under 18 years 465 5.3% n/a
Single male living alone 1,293 14.7% n/a
Single female living alone 1,241 14.1% n/a
Other non-family households (ex.: roommates) 714 8.1% n/a
Total 8,823 100% n/a
Family households 5,575 63.2% 100%
Families with children under 18 years 2,683 30.4% n/a
Non-family households 3,248 36.8% n/a
All households with individuals 65 years and over 1,822 20.7% 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
Population14,048
Avg. household size2.4
Renter-occupied2010
Population7,070
Avg. household size2.5
Vacancies
Vacancy Rate2010
Owner-occupied properties6.7%
Renter-occupied properties17.9%
Overall vacancy rate41.4%
Housing Units2010% of total
Occupied8,82358.6%
Vacant6,227 41.4%
For rent6424.3%
Rented, but unoccupied600.4%
For sale4322.9%
Sold, but unoccupied500.3%
Seasonal use only4,76631.7%
Other vacant units2771.8%
Total15,050100%
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Credits: Ryan Pitts, Mike Tigas Special thanks: USA Today Census team