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Jefferson County, Idaho

Interactive maps and statistics for Jefferson County, Idaho: income, age, education, housing, health and more, set beside Idaho and the United States.

Jefferson County, Idaho is among the lowest in the country for median age, and among the highest in the country for married-couple households (7th of 3,222 counties).

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Key figures

StatisticJefferson County, Idaho IdahoUnited States Rank
Total Population33,1541,934,262334,922,4991390th of 3,222
Median Household Income$86,679$77,800$80,734384th of 3,221
Median Age32.837.338.93085th of 3,222
Bachelor's Degree or Higher27.4%31.8%35.7%970th of 3,222
Median Home Value$408,400$418,600$332,700273rd of 3,217
Median Gross Rent$1,138$1,238$1,413642nd of 3,215
Poverty Rate9.7%10.6%12.5%2491st of 3,222
Unemployment Rate2.7%3.7%5.2%2668th of 3,222
Population per Square Mile30.323.4n/a1998th of 3,222
Foreign Born4.2%5.9%14.1%1152nd of 3,222
Life Expectancy78.0n/an/a770th of 3,062
Homeownership Rate83.0%72.1%65.2%250th of 3,222
Average Commute Time25.121.626.41405th of 3,221
Worked from Home7.6%13.3%15.1%1903rd of 3,222
Uninsured11.2%n/an/a1411th of 3,134
Married-Couple Households71.7%55.1%46.9%7th of 3,222
Broadband Access93.5%n/an/a80th of 3,135

Rank is among all US counties with published data, counting down from the highest value. Figures come from the American Community Survey, CDC, BLS, BEA and other federal sources. Open the map for 1,147 statistics and the year and margin of error behind each one.

Race and ethnicity in Jefferson County, Idaho

Age in Jefferson County, Idaho

StatisticJefferson County, IdahoIdahoUnited States
Median Age32.837.338.9
Under 18 %32.3%24.1%22.0%
Age 18-24 %8.7%9.8%9.1%
Age 25-34 %11.3%13.0%13.7%
Age 35-44 %14.3%13.1%13.2%
Age 45-64 %21.4%23.0%24.8%
Age 65 and Over %11.9%17.0%17.2%

Households and families in Jefferson County, Idaho

StatisticJefferson County, IdahoIdahoUnited States
Households10,199713,005129,227,496
Average Household Size3.22.62.5
Family Households83.5%68.5%64.2%
Households with Children47.8%31.9%29.5%
Single-Parent Families11.8%13.4%17.3%
People Living Alone14.1%24.4%28.7%
Never Married23.8%28.6%34.4%

Income and poverty in Jefferson County, Idaho

StatisticJefferson County, IdahoIdahoUnited States
Per Capita Income$31,834$38,952$44,673
Households Under $25,00010.3%12.5%14.6%
Households $50,000 to $74,99916.4%18.1%15.5%
Households $100,000 to $149,99921.6%19.3%17.5%
Households $200,000 or More8.2%9.2%13.4%
Poverty Rate9.7%10.6%12.5%
Below 200% of Poverty29.5%28.9%28.2%
SNAP Households7.5%7.6%n/a

Housing in Jefferson County, Idaho

StatisticJefferson County, IdahoIdahoUnited States
Housing Units10,779795,014143,775,355
Single-Family Detached Homes84.7%73.8%61.3%
Buildings with 5+ Units1.1%8.9%19.1%
Vacancy Rate5.4%10.3%10.1%
Median Year Structure Built1,994.01,991.01,980.0
Renter-Occupied17.0%27.9%34.8%
Rent as % of Household Income22.7%28.7%30.6%
Median Property Tax$1,824$2,038n/a

Education in Jefferson County, Idaho

StatisticJefferson County, IdahoIdahoUnited States
Less than High School6.7%8.1%10.4%
High School Graduate28.1%26.1%26.0%
Some College or Associate Degree37.8%33.9%27.9%
Bachelor's Degree19.0%21.3%21.6%
Graduate or Professional Degree8.4%10.5%14.1%

Work and commuting in Jefferson County, Idaho

StatisticJefferson County, IdahoIdahoUnited States
Labour Force Participation66.1%63.0%63.5%
Drove Alone to Work78.4%72.7%68.8%
Public Transit2.2%0.5%3.2%
Walked to Work1.4%2.6%2.4%
Commutes Under 15 Minutes24.6%37.3%26.0%
Commutes Over an Hour8.3%5.1%8.6%
Households Without a Car1.3%3.7%n/a

Origins and language in Jefferson County, Idaho

StatisticJefferson County, IdahoIdahoUnited States
Born in State of Residence66.1%43.9%57.3%
Naturalised Citizens1.9%2.7%7.4%
Non-Citizens2.3%3.2%6.8%
Speaks Only English at Home88.4%89.0%77.7%
Speaks Spanish at Home10.0%8.1%13.6%
Limited English Proficiency8.5%8.3%16.7%

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