Jefferson County, Idaho demographics
Population: 30,427
Median age: 31.9
Median household income: 69,097
Demographics, population, home values, social and economic characteristics of Jefferson County, Idaho.
Population
2021 | 30,427 |
2020 | 29,238 |
2019 | 28,534 |
2018 | 27,969 |
2017 | 27,410 |
2016 | 27,096 |
2015 | 26,792 |
2014 | 26,620 |
2013 | 26,389 |
2012 | 25,940 |
2011 | 25,291 |
2010 | 24,523 |
2009 | 22,892 |
Jefferson County, ID cities
Hamer city - 37
Lewisville city - 488
Menan city - 902
Mud Lake city - 416
Rigby city - 4,920
Ririe city - 666
Roberts city - 425
Census data for Jefferson County, Idaho
Demographic and housing estimates in Jefferson County, Idaho
Total population | 30,427 |
Male | 15,435 |
Female | 14,992 |
Total population | 30,427 |
Under 5 years | 2,463 |
5 to 9 years | 2,798 |
10 to 14 years | 3,309 |
15 to 19 years | 2,591 |
20 to 24 years | 1,756 |
25 to 34 years | 3,483 |
35 to 44 years | 4,190 |
45 to 54 years | 3,210 |
55 to 59 years | 1,551 |
60 to 64 years | 1,685 |
65 to 74 years | 2,194 |
75 to 84 years | 878 |
85 years and over | 319 |
Median age (years) | 31.9 |
Under 18 years | 10,338 |
16 years and over | 21,317 |
18 years and over | 20,089 |
21 years and over | 18,835 |
62 years and over | 4,419 |
65 years and over | 3,391 |
Total population | 30,427 |
One race | 28,939 |
White | 27,098 |
Black or African American | 21 |
American Indian and Alaska Native | 239 |
Asian | 89 |
Native Hawaiian and Other Pacific Islander | 0 |
Some other race | 1,492 |
Two or more races | 1,488 |
Citizen, VOTING AGE 18 and over population | 19,324 |
Male Citizen, VOTING AGE 18 and over population | 9,867 |
Female Citizen, VOTING AGE 18 and over population | 9,457 |
Social characteristics in Jefferson County, Idaho
Total households | 9,345 |
Family households (families) | 6,810 |
Married-couple family | 433 |
Male householder, no wife present, family | 858 |
Female householder, no husband present, family | 670 |
Nonfamily households | 1,244 |
Average household size | 2,314 |
Average family size | 3.25 |
Economic characteristics in Jefferson County, Idaho
Total households | 9,345 |
Less than $10,000 | 384 |
$10,000 to $14,999 | 104 |
$15,000 to $24,999 | 508 |
$25,000 to $34,999 | 779 |
$35,000 to $49,999 | 1,054 |
$50,000 to $74,999 | 2,279 |
$75,000 to $99,999 | 1,544 |
$100,000 to $149,999 | 1,752 |
$150,000 to $199,999 | 425 |
$200,000 or more | 516 |
Median household income (dollars) | 69,097 |
Housing characteristics in Jefferson County, Idaho
Total housing units | 9,953 |
Occupied housing units | 9,345 |
Vacant housing units | 608 |
Total housing units | 9,953 |
1-unit, detached | 8,360 |
1-unit, attached | 272 |
2 units | 52 |
3 or 4 units | 241 |
5 to 9 units | 89 |
10 to 19 units | 33 |
20 or more units | 47 |
Mobile home | 859 |
Boat, RV, van, etc. | 0 |
Total housing units | 9,953 |
Built 2014 or later | 24 |
Built 2010 to 2013 | 1,231 |
Built 2000 to 2009 | 2,503 |
Built 1990 to 1999 | 904 |
Built 1980 to 1989 | 986 |
Built 1970 to 1979 | 1,644 |
Built 1960 to 1969 | 566 |
Built 1950 to 1959 | 550 |
Built 1940 to 1949 | 486 |
Built 1939 or earlier | 1,059 |
Total housing units | 9,953 |
1 room | 80 |
2 rooms | 34 |
3 rooms | 342 |
4 rooms | 910 |
5 rooms | 1,628 |
6 rooms | 1,298 |
7 rooms | 969 |
8 rooms | 1,195 |
9 rooms or more | 3,497 |
Median rooms | 7.2 |
Total housing units | 9,953 |
No bedroom | 92 |
1 bedroom | 250 |
2 bedrooms | 1,294 |
3 bedrooms | 3,660 |
4 bedrooms | 2,149 |
5 or more bedrooms | 2,508 |
Occupied housing units | 9,345 |
Owner-occupied | 7,700 |
Renter-occupied | 1,645 |
Average household size of owner-occupied unit | 3.32 |
Average household size of renter-occupied unit | 2.91 |
Occupied housing units | 9,345 |
Moved in 2017 or later | 807 |
Moved in 2015 to 2016 | 2,202 |
Moved in 2010 to 2014 | 1,717 |
Moved in 2000 to 2009 | 2,387 |
Moved in 1990 to 1999 | 913 |
Moved in 1989 and earlier | 1,319 |
Owner-occupied units | 7,700 |
Less than $50,000 | 409 |
$50,000 to $99,999 | 496 |
$100,000 to $149,999 | 1,087 |
$150,000 to $199,999 | 887 |
$200,000 to $299,999 | 2,306 |
$300,000 to $499,999 | 1,694 |
$500,000 to $999,999 | 757 |
$1,000,000 or more | 64 |
Median (dollars) | 245,100 |
Owner-occupied units | 7,700 |
Housing units with a mortgage | 4,835 |
Housing units without a mortgage | 2,865 |
Occupied units paying rent | 1,354 |
Less than $500 | 58 |
$500 to $999 | 971 |
$1,000 to $1,499 | 262 |
$1,500 to $1,999 | 54 |
$2,000 to $2,499 | 9 |
$2,500 to $2,999 | 0 |
$3,000 or more | 0 |
Median (dollars) | 890 |
No rent paid | 291 |
Demographic data for Jefferson County, ID and each city in the county. Lists of cities by population, wealth and poverty in Jefferson County, ID.
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