Population26,362 (July 1, 2025 Census estimate)
Irrigation and Settlement Above a River Canyon
Jerome County, IdahoThe county lies on the north side of the Snake River landscape, where canyon depth historically complicated access to water and connections with settlements farther south. Milner Dam and the Northside Canal brought irrigation water in the early twentieth century. Settlement at Jerome began in 1907, followed by a railway connection in 1908. The city of Jerome and the communities of Eden and Hazelton give the county several local reference points.
Jerome County at a Glance
Population26,362 (July 1, 2025 Census estimate)
County SeatJerome
StateIdaho
Established1919
ZIP CodesVary by address
Total Area, Including Water602.527 square miles, including water (2020 Census geography)
Road InformationState transportation resources below
Area Codes208, 986
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Discover Jerome County
Jerome County
Milner Dam and the Northside Canal brought irrigation water in the early twentieth century. Settlement at Jerome began in 1907, followed by a railway connection in 1908. Milner Dam and the Northside Canal brought irrigation water in 1905, changing the possibilities for farming north of the canyon. Eden and Hazelton developed during this period, followed by Jerome. Railway access reached Jerome in 1908, linking a newly irrigated agricultural district with a wider transportation network and reinforcing its growth.
Use Jerome, Eden and Hazelton to explore the relationship between towns and irrigated agriculture, looking at water infrastructure as part of the area's development story. The city of Jerome and the communities of Eden and Hazelton give the county several local reference points. The Snake River Canyon explains an important division in the wider landscape. Understanding that barrier and the irrigation story adds context to the fields, roads and communities encountered across the county.
What Shapes Us
Canyon Geography
The county lies on the north side of the Snake River landscape, where canyon depth historically complicated access to water and connections with settlements farther south.
Irrigation and Rail
Milner Dam and the Northside Canal brought irrigation water in the early twentieth century. Settlement at Jerome began in 1907, followed by a railway connection in 1908.
Agricultural Communities
Use Jerome, Eden and Hazelton to explore the relationship between towns and irrigated agriculture, looking at water infrastructure as part of the area's development story.
Discover the landscape shaped by water and determination
A Closer Look
Jerome County
Places and perspectives from Jerome County
Idaho Capital Sun
With 2 weeks until midterms, analysts say Dems still on track to win US House majority
Democrats have used President Donald Trump’s unpopularity to expand the midterm map, and analysts project the party carries…
Read the Story Oct 20, 2026 • 2 min read
Around Jerome County
Stories from every corner of Jerome County.
With 2 weeks until midterms, analysts say Dems still on track to win US House majority
Democrats have used President Donald Trump’s unpopularity to expand the midterm map, and analysts project the party carries…
Oct 20, 2026 • 2 min read
Ukrainians and Sudanese with temporary legal status will keep protections for now
WASHINGTON — Immigrants living in the United States with humanitarian status from Ukraine and Sudan will retain their…
Oct 20, 2026 • 2 min read
Idaho legislator selected to serve as state’s next US attorney after Davis retires
An Idaho legislator has been tapped as the state’s next U.S. attorney for the District of Idaho after…
Oct 19, 2026 • 2 min read
The race for Idaho’s top election official, the secretary of state, is a rematch
In the race for Idaho’s top election official, two familiar names are headed to the ballot. Democratic challenger…
Oct 19, 2026 • 2 min read
Friends of Minidoka symposium connects Japanese-American incarceration to immigration debate
The Friends of Minidoka nonprofit will host its 2026 symposium, which will feature a film screening, legal discussion…
Oct 19, 2026 • 2 min read
Shop - Dine - Discover
Meet Local Businesses
Support the businesses that help make our communities thrive. From family-owned shops and restaurants to trusted local services, discover businesses worth visiting throughout the county.
County Resources
Find the Right Local Connection
Start with the organization responsible for the service you need. Follow its official link for current requirements, office locations and availability.
County photographs from Wikimedia Commons; images may be cropped for display.
- Canyonside School.jpg — Tom Young. CC BY-SA 3.0. Own work
- Jerome City Pump House – Jerome Idaho.jpg — Ian Poellet. CC BY-SA 3.0. Own work
Idaho statewide resources
Idaho Government
Use the official Idaho.gov portal to find state agencies, services, licenses, public information, directories, and online government resources. It is the main statewide starting point for residents, businesses, and visitors seeking official Idaho information.
Schools
Public school contacts
Selected local schools from the NCES 2024-2025 directory. Contact the school or district to confirm enrollment, attendance boundaries and current services; this is not a complete school list.
Heritage Academy – Elementary; grades PK-08. 500 SOUTH LINCOLN AVENUE, JEROME, ID 83338. 208-595-1617.
Frontier Elementary School – Elementary; grades KG-05. 525 SOUTH TIGER DRIVE, JEROME, ID 83338. 208-332-6800.
Valley School – Other; grades PK-12. 882 VALLEY ROAD SOUTH, HAZELTON, ID 83335. 208-829-5353.
Jerome High School – High; grades 09-12. 104 NORTH TIGER DRIVE, JEROME, ID 83338. 208-324-8137.
Jerome Middle School – Middle; grades 06-08. 520 10TH AVENUE WEST, JEROME, ID 83338. 208-324-8134.
Horizon Elementary School – Elementary; grades PK-05. 934 10TH AVENUE EAST, JEROME, ID 83338. 208-324-4841.
Jefferson Elementary School – Elementary; grades KG-05. 600 NORTH FILLMORE STREET, JEROME, ID 83338. 208-324-8896.
Hospitals
Local hospital contacts
Facility contacts from the CMS Hospital General Information directory, updated July 22, 2026. Contact the facility directly to confirm current services and appointment arrangements.
St Luke'S Jerome – Critical Access Hospitals. 709 North Lincoln Avenue, Jerome, ID 83338. 208-324-4301.
Idaho statewide resources
Public Safety
The Idaho State Police provides statewide patrol, investigations, forensic services, criminal-information resources, highway safety support, and other public-safety services. County sheriffs and municipal police departments handle many local law-enforcement matters.
Idaho statewide resources
Emergency Services
The Idaho Office of Emergency Management coordinates statewide preparedness, disaster response, recovery, mitigation, and emergency planning. Residents should also follow county and local emergency-management agencies for evacuation notices, wildfire information, flooding, severe-weather alerts, and community-specific instructions.
Idaho statewide resources
State Parks
The Idaho Department of Parks and Recreation provides official information about state parks, campgrounds, trails, boating, reservations, permits, passes, and outdoor recreation. Check each destination’s official page for current conditions, closures, fees, and reservation requirements.
Idaho statewide resources
Trails
Idaho State Parks, national forests, Bureau of Land Management lands, cities, counties, and local organizations maintain hiking, biking, equestrian, paddling, and motorized trails throughout the state. Use official land-management resources and verify weather, wildfire conditions, snow, seasonal closures, permits, and trail access before heading out.
Idaho statewide resources
Utilities
The Idaho Public Utilities Commission regulates investor-owned electric, natural gas, telecommunications, water, and other utility services under its jurisdiction. Municipal utilities, cooperatives, and other providers may operate differently, so verify the provider serving the exact address and community.
Libraries
Local library contacts
Locations and public phone numbers are from the IMLS FY2024 Public Libraries Survey. Call the branch to confirm current hours and services before visiting.
Jerome Public – 100 1St Ave E, Jerome, ID 83338. 208-324-5427.
Idaho statewide resources
Courts
The Idaho Judicial Branch provides court information, forms, self-help resources, opinions, rules, and links to district and magistrate courts across the state. Verify the correct court and jurisdiction before filing documents or relying on deadlines.
DMV
Idaho — Driver’s License and ID Required Documents
Idaho statewide resources
Transportation
The Idaho Transportation Department manages state highways and provides information on roads, bridges, construction, traffic, aviation, public transportation, highway safety, and travel conditions. Use official ITD and Idaho 511 resources for current road information.
Postal Services
USPS location finder — Search by street address, city or ZIP Code for nearby post offices, collection boxes and available services.
USPS ZIP Code lookup — Find the mailing ZIP Code for a specific street address.
USPS Hold Mail — Arrange a temporary mail hold and review identity-verification requirements.
USPS change of address and forwarding — Review forwarding options and submit an address-change request through USPS.
USPS package pickup — Check pickup availability for your address and schedule eligible shipments.
Veterans
National services available to local residents
VA accredited representatives — Find help with VA claims and benefit applications.
VA health care applications — Review application options and supporting information.
VA disability claims — Find the official steps for submitting a disability claim.
GI Bill and education benefits — Review how to apply for VA education benefits.
Veteran career and employment support — Explore VA employment, training and career assistance.
Employment
National services available to local residents
USAJOBS federal employment — Search federal openings by location and occupation.
Apprenticeship Finder — Search apprenticeship opportunities by location and occupation.
My Next Move career exploration — Explore occupations, industries and career interests.
Government job-training resources — Find routes to state training programs and support for different job seekers.
Unemployment benefit guidance — Find your state program and its application and eligibility information.
Get to Know Jerome County
Useful answers for residents, visitors and anyone planning their next step.
Local Questions
Jerome County Questions, Answered
Explore practical details about the county and the organizations that serve it.
26,362 (July 1, 2025 Census estimate). This is a dated Census Bureau estimate, rather than a live resident count.
602.527 square miles, including water (2020 Census geography). The total combines land and water area.
Start with these official Idaho resources: Vehicle Registration; Driver’s License and ID Required Documents; Report Vehicle Insurance. Choose the page for the service you need, then check its office or online instructions before making a trip. These links cover state services; they do not establish that every transaction is available at a county office.
Use USPS ZIP Code Lookup for the mailing ZIP Code of a specific street address. Use the USPS location finder to search for nearby postal facilities and available services. An address lookup is more useful for mailing than assuming the entire county shares one ZIP Code.
The VA explains how to find and appoint an accredited representative for benefit claims. Contact a representative to confirm availability before appointing them. For education benefits, use the GI Bill application guidance. These are national VA services available to eligible local residents, rather than a listing of county offices.
Search USAJOBS for federal positions and the Apprenticeship Finder for apprenticeship opportunities, using location filters to narrow the results. USAGov job-training guidance points to training programs and state resources. Check each listing for current availability, eligibility and application instructions; a search result does not guarantee an opening in the county.
Milner Dam and the Northside Canal brought irrigation water in the early twentieth century. Settlement at Jerome began in 1907, followed by a railway connection in 1908. Milner Dam and the Northside Canal brought irrigation water in 1905, changing the possibilities for farming north of the canyon. Eden and Hazelton developed during this period, followed by Jerome. Railway access reached Jerome in 1908, linking a newly irrigated agricultural district with a wider transportation network and reinforcing its growth.
Use Jerome, Eden and Hazelton to explore the relationship between towns and irrigated agriculture, looking at water infrastructure as part of the area's development story. The city of Jerome and the communities of Eden and Hazelton give the county several local reference points. The Snake River Canyon explains an important division in the wider landscape. Understanding that barrier and the irrigation story adds context to the fields, roads and communities encountered across the county.
The 2020 Census geography figures record 597.543 square miles of land and 4.984 square miles of water in Jerome County. The county’s total area includes both. These are geographic measurements for that Census vintage, not a measurement of current water levels or public recreation access.
In the Census Bureau’s 2025 estimate series, Jerome County had an estimated 24,269 residents on July 1, 2020, and 26,362 on July 1, 2025. Over that interval, the estimated population increased by 2,093 residents, or about 8.6%. Both figures come from the same estimate vintage, which revises earlier years for a consistent comparison.
Jerome is the county seat of Jerome County, Idaho.
Shop - Dine - Discover
Meet Local Businesses
Support the businesses that help make our communities thrive. From family-owned shops and restaurants to trusted local services, discover businesses worth visiting throughout the county.
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