Checked
Elmore County, ID
4 cities and towns and 5 ZIP codes in Elmore County, Idaho.
Population
29,321
Land area
3,075sq mi
People per sq mi
10
ZIP codes
5
Cities and towns in Elmore County
Elmore County at a glance
- Elmore County is 59% less dense than Idaho as a whole.
- Households here earn a median of $65,359 a year, 16% less than the Idaho figure of $77,800.
- A typical owner-occupied home is valued at $316,500 (24% below Idaho) and median rent is $1,243 a month.
- The biggest population centers are Mountain Home (16,493), Mountain Home AFB (3,219) and Glenns Ferry (1,438).
Local data for Elmore County, ID
Counts from official public data
Housing and community stats
Elmore County, ID, American Community Survey 2020-2024
Median household income
$65,359
Poverty rate
10.5%
Median home value
$316,500
Prices +9.5% in a year
Median rent
$1,243/mo
Homeownership
65.6%
Bachelor's or higher
22.4%
Median age
33.1
Average commute
22.0 min
Largest reported origins and ancestries: German Americans (4,563), Mexican Americans (4,251), Irish Americans (2,735).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.7%
Sep 2026, -0.1 pts in a year
Average annual pay
$49,549
7,522 jobs, 2025
Income per person
$49,558
BEA, 2024
Federal spending
$337M
FY 2026, $11,773 per person
PPP loans
$18.4M
368 loans, 2,777 jobs reported
Campaign donations
$59.5K
Itemized, 2026 cycle
How people get to work
Elmore County, ID, workers 16 and older. American Community Survey 5-year estimates
- Drove alone82.7%
- Carpooled7.2%
- Public transit0.1%
- Walked3.5%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other2.0%
- Worked from home4.5%
Average one-way commute: 22.0 minutes for people who do not work from home.
Environment and hazard risk
Elmore County, ID, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: wildfire
Storm events since 1996
405
Most often heavy snow
Flood insurance policies
96
0.9% of homes, county
July high / Jan low
92° / 22°F
Hazards, floods and storm historyCheck a flood zone16 historic places
Health statistics
Share of adults in Elmore County, ID, CDC PLACES estimates
Obesity
34.2%
U.S. 33.3% +0.9 pts
Diabetes
10.4%
U.S. 12.1% -1.7 pts
Smoking
13.8%
U.S. 12.8% +1.0 pts
Uninsured (18-64)
13.6%
U.S. 11.1% +2.5 pts
Cities, towns and ZIP codes in Elmore County
Population shown
Frequently asked questions
- What is the largest city in Elmore County, ID?
- Mountain Home is the largest city or town in Elmore County, with about 16,493 residents.
- How many ZIP codes are in Elmore County?
- Elmore County includes 5 ZIP Code Tabulation Areas, including 83337, 83623, 83633, 83647, 83648.
- What is the population of Elmore County, ID?
- About 29,321 people live in Elmore County, based on American Community Survey 5-year estimates.
- What counties border Elmore County?
- Elmore County borders Ada County, Twin Falls County, Blaine County, Gooding County, Owyhee County, Boise County, Custer County, Camas County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023