Jerome County, Idaho

Jerome County: County in Idaho, United States

About

Jerome County is a county located in the U.S. state of Idaho. As of the 2010 census, the population was 22,374 and a population density of 14 people per km². After 9 years in 2019 county had an estimated population of 24,412 inhabitants. Its county seat is Jerome. The county was created 106 years ago in 1919.

Jerome County locator map
Location of Jerome County on Idaho map.

Quick Facts about Jerome County

Population : 24,412 (2019)
Country : United States of America
State : Idaho (United States)
Area : 1559 km2
Water as percent of area : 0.8%
Land as percent of area : 99.2%
Altitude : 3,839 feet / 1170 meters
Capital : Jerome
Establishment : February 02, 1919
Time Zone : America/Boise
Local time : 00:23:30 (5th December 2025)
Density : 16 Pop. per km² as of 2019
Population growth : 8.35% (2010-2019)
Jerome county courthouse 2009 image
Jerome county courthouse 2009
Jerome county courthouse 2009 image
Jerome county courthouse 2009 image

Geography

Jerome County is located at 42°41'24"N 114°15'51"W (42.6899000, -114.2640300). It has 5 neighbors: Cassia County, Gooding County, Lincoln County, Minidoka County and Twin Falls County.

Jerome County map

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The largest city of Jerome County is Jerome with a population of 11,994. Other cities include, Hazelton population 821 and Eden population 427. See all Jerome County cities & populated places.

Jerome County Populated Places

Cities, towns, neighborhoods & other populated places in Jerome County.

City Name Population Title
Jerome 11,994 City in Idaho, United States
Hazelton 821 City in Jerome County, Idaho, United States
Eden 427 City in Jerome County, Idaho, United States

Jerome County has 5 neighbours.

  • Jerome

Demographics

The population of Jerome County increased by 8.35% in 9 years.

Year Population % Change Method
2010 22,374 - census
2011 22,520 0.65% estimation process
2012 22,578 0.26% estimation process
2013 22,768 0.83% estimation process
2014 22,926 0.69% estimation process
2015 22,971 0.2% estimation process
2016 23,433 1.97% estimation process
2017 23,768 1.41% estimation process
2018 24,066 1.24% estimation process
2019 24,412 1.42% estimation process

Comitatul Jerome, Comte de Jerome, Comté de Jerome, Condado de Jerome, Condado han Jerome, Contea di Jerome, Dzherom, Dzherum, Hrabstwo Jerome, Jerom srjan, Jerome, Jerome Kun, Jerome Kūn, Jerome konderria, Jerome megye, Okrug DZerom, Quan Jerome, Quận Jerome, jeroma ka'unti, jeromu jun, jie luo mu xian, mqatʿt jyrwm, shhrstan jrwm aydahw, Джером, Джеръм, Округ Џером, Ջերոմ շրջան, جیروم کاؤنٹی، اڈاہو, جیروم کاؤنٹی، ایڈاہو, شهرستان جروم، آیداهو, مقاطعة جيروم, জেরোম কাউন্টি, ジェローム郡, 傑羅姆縣

Idaho Other Counties (more counties)

County Name Population Title
Ada County 481,587 County in Idaho, United States
Canyon County 229,849 County in Idaho, United States
Boise 228,959 The capital of Idaho.
Kootenai County 165,697 County in Idaho, United States
Bonneville County 119,062 County in Idaho, United States
Meridian 114,161 The most populous city in Ada County, Idaho.
Nampa 99,277 The most populous city in Canyon County, Idaho.
Bannock County 87,808 County in Idaho, United States
Twin Falls County 86,878 County in Idaho, United States
Idaho Falls 62,888 The most populous city in Bonneville County, Idaho.
Caldwell 58,481 The most populous city in Canyon County, Idaho.
Pocatello 56,637 The most populous city in Bannock County, Idaho.
Coeur d'Alene 52,414 A city in Kootenai County, Idaho.
Twin Falls 50,197 The most populous city in Twin Falls County, Idaho.
Bingham County 46,811 County in Idaho, United States
Bonner County 45,739 County in Idaho, United States