Elmore County's estimated 2026 population is 29,355 with a growth rate of -0.37% in the past year according to the most recent United States census data. Elmore County is the 13th largest county in Idaho. The 2010 population was 27,125 and has seen a growth of 8.22% since that time.
Data after 2023 is projected based on recent change
Overall: 33.1 years
Female: 35.1 years
Male: 32 years
There are 22,220 adults, (4,338 of whom are seniors) in Elmore County.
Female: 13,665 (46.6%)
Male: 15,656 (53.4%)
The racial composition of Elmore County includes 72.7% White, 4.8% other race, 3.23% Black or African American, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 21,315 | 72.7% |
| Two or more races | 4,466 | 15.23% |
| Other race | 1,406 | 4.8% |
| Black or African American | 948 | 3.23% |
| Asian | 800 | 2.73% |
| Native American | 274 | 0.93% |
| Native Hawaiian or Pacific Islander | 112 | 0.38% |
Elmore County's average per capita income is $45,432. Household income levels show a median of $65,359. The poverty rate stands at 10.49%.
Name | Median | Mean |
|---|---|---|
| Married Families | $90,802 | - |
| Families | $80,714 | $94,022 |
| Households | $65,359 | $82,615 |
| Non Families | $42,813 | $55,326 |
Average Income
Median Household Income
Poverty Rate