Elmore County, Idaho
Elmore County: county in Idaho, United States
About
Elmore County is a county located in the U.S. state of Idaho. As of the 2010 census, the population was 27,038 and a population density of 3 people per km². After 9 years in 2019 county had an estimated population of 27,511 inhabitants. Its county seat is Mountain Home. The county was created 137 years ago in 1889.
County Snapshot
Elmore County at a glance
Elmore County currently has 2 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
2
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Idaho counties
44
Open related pagesLargest city
Mountain HomePopulation 14,562
Top linked places
Quick Facts about Elmore County
| Population | 27,511 (2019) |
| Country | United States of America |
| State | Idaho (United States) |
| Different from | Elmore County |
| Area | 8030 km2 |
| Water as percent of area | 0.8% |
| Land as percent of area | 99.2% |
| Latitude & Longitude | 43.3539,-115.4692 |
| Capital | Mountain Home |
| Establishment | February 07, 1889 |
| Time Zone | America/Boise |
| Local time | 03:02:48 (18th April 2026) |
| Density | 3 Pop. per km² as of 2019 |
| Population growth | 1.72% (2010-2019) |
| Weather | 25℉ Mostly Clear 7-days weather |
Geography
Elmore County is located at 43°21'14"N 115°28'9"W (43.3539000, -115.4691800). It has 8 neighbors: Custer County, Ada County, Blaine County, Boise County, Camas County, Gooding County, Owyhee County and Twin Falls County.
Elmore County map
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The largest city of Elmore County is Mountain Home with a population of 14,562. Other cities include and Glenns Ferry population 1,303. See all Elmore County cities & populated places.
Elmore County Populated Places
Cities, towns, neighborhoods & other populated places in Elmore County.
| City Name | Population | Title |
|---|---|---|
| Mountain Home | 14,562 | City in Elmore, Idaho, United States |
| Glenns Ferry | 1,303 | City in Elmore County, Idaho, United States |
Weather
Mostly clear, with a low around 25. North northeast wind 3 to 12 mph.
7-Day ForecastOfficial website of Elmore County
Official Website- Mountain Home
Demographics
The population of Elmore County increased by 1.72% in 9 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 27,038 | - | census |
| 2011 | 26,221 | -3.12% | estimation process |
| 2012 | 26,287 | 0.25% | estimation process |
| 2013 | 26,267 | -0.08% | estimation process |
| 2014 | 26,226 | -0.16% | estimation process |
| 2015 | 25,826 | -1.55% | estimation process |
| 2016 | 26,137 | 1.19% | estimation process |
| 2017 | 26,881 | 2.77% | estimation process |
| 2018 | 27,362 | 1.76% | estimation process |
| 2019 | 27,511 | 0.54% | estimation process |
Other places with the same name (1)
- Elmore County, Alabama county in Idaho, United States with a population of 82,158 people.
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 |