Jefferson County, Idaho

Jefferson County is a county located in the United States of Idaho. The county has a population of 19155 as per the 2000 census data. The county's estimated population as of July 2008 was 23860, making it the 13th most populous county in Idaho. Its area is just over 1105.55 square miles (2863.36 kmē), of which, 1095.08 square miles (2836.24 kmē) of it is land and 10.47 square miles (27.12 kmē) of it is water, making it Idaho's 28th largest county by total area.

Jefferson County Idaho
Map of Jefferson County, Idaho

According to 2000 Census Bureau, there were 19155 people, 5901 households, and 4880 families living in the county. The population density was 17.5 people per square mile (6.76/kmē), making its Idaho's 17th most densely populated county. There were 6287 housing units at an average density of 5.7 per square mile (2.2/kmē). The average household size was 3.23 and the average family size was 3.62. In the county the population was spread out, with 36.3% under the age of 18, 9.6% from 18 to 24, 25.5% from 25 to 44, 19.3% from 45 to 64, and 9.3% who were 65 or older. For every 100 females there were 102.2 males. For every 100 females age 18 and over, there were 101 males. According to July 2008 Census Bureau estimates, the population of the county is 23860, The racial or ethnic makeup of the county was 97.12% White, 0.51% Black or African American, 0.9% American Indian, 0.33% Asian, 0.11% Native Hawaiian, and 1.03% from two or more races.

Jefferson County Idaho Population 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Population 2000-2008
Jefferson County Idaho School Enrollment
School Enrollment 2000
Jefferson County Idaho GDP
GDP 2000

The median income for a household in the county was $37737, it is Idaho's seventh wealthiest county by median household income. The median income for a family in the county was $41530, it is 12th wealthiest county by median family income in Idaho. The per capita income for the county was $13838, making it the eighth poorest county by per capita income among the Idaho.

In 2000, 6224 pupils and students, of which 3105 are male and 3119 are female, 32.49% of the total population, are in the education system. Of which, total enrollment of student are in, 387 nursery or pri school, 415 kindergarten, 3130 elementary school, 1690 high school and 602 College graduate school.

RankCityCountyTotal Area mi2Land Area mi2Water Area mi2PopulationDensity mi2Per capita IncomeHouse hold Income
1Hamer CityJefferson County0.20.201259.71328024167
2Lewisville CityJefferson County0.630.630467743.31344349135
3Menan CityJefferson County0.950.9507077451346436406
4Mud Lake CityJefferson County0.170.1702701623.11115928194
5Rigby CityJefferson County1.021.02029982935.31279530192
6Ririe CityJefferson County, Bonneville County0.290.2905451869.51057827019
7Roberts CityJefferson County0.330.310.026472054.51110031071
YearPopulation
April 2000 census19155
April 2000 Estimate19155
July 2000 Estimate19212
July 2001 Estimate19265
July 2002 Estimate19663
July 2003 Estimate20006
July 2004 Estimate20501
July 2005 Estimate21222
July 2006 Estimate21844
July 2007 Estimate22777
July 2008 Estimate23860
SchoolMaleFemaleTotal
Nursery school194193387
Kindergarten215200415
Elementary school155715733130
High school8558351690
College or graduate school284318602
PlaceMedian household incomeMedian family incomePer capita income
Jefferson County, Idaho$37737$41530$13838
Idaho, United States$37572$43490$17841
United States$41994$50046$21587