Jerome County's estimated 2026 population is 26,436 with a growth rate of 0.28% in the past year according to the most recent United States census data. Jerome County is the 16th largest county in Idaho. The 2010 population was 22,438 and has seen a growth of 17.82% since that time.
Data after 2023 is projected based on recent change
Overall: 34 years
Female: 33.2 years
Male: 34.4 years
There are 17,712 adults, (3,363 of whom are seniors) in Jerome County.
Female: 12,257 (48.7%)
Male: 12,916 (51.3%)
The racial composition of Jerome County includes 65.22% White, 14.15% other race, and smaller percentages for Native American, Black or African American, Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 16,418 | 65.22% |
| Two or more races | 4,870 | 19.35% |
| Other race | 3,561 | 14.15% |
| Native American | 280 | 1.11% |
| Black or African American | 30 | 0.12% |
| Asian | 14 | 0.06% |
Jerome County's average per capita income is $42,894. Household income levels show a median of $71,724. The poverty rate stands at 12.59%.
Name | Median | Mean |
|---|---|---|
| Married Families | $88,452 | - |
| Families | $74,949 | $95,332 |
| Households | $71,724 | $89,909 |
| Non Families | $36,781 | $58,945 |
Average Income
Median Household Income
Poverty Rate
