Jerome County's estimated 2026 population is 27,020 with a growth rate of 1.82% in the past year according to the most recent United States census data. Jerome County is the 15th largest county in Idaho. The 2010 population was 22,438 and has seen a growth of 20.42% since that time.
Data after 2023 is projected based on recent change
The racial composition of Jerome County includes 69.9% White, 9.67% other race, and smaller percentages for Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
White (69.9%)
Two or more races (18.85%)
Other race (9.67%)
Native American (1.07%)
Asian (0.3%)
Black or African American (0.11%)
Native Hawaiian or Pacific Islander (0.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 17,326 | 69.9% |
| Two or more races | 4,672 | 18.85% |
| Other race | 2,396 | 9.67% |
| Native American | 266 | 1.07% |
| Asian | 75 | 0.3% |
| Black or African American | 28 | 0.11% |
| Native Hawaiian or Pacific Islander | 25 | 0.1% |
Married
Widowed
Divorced
Separated
Never Married
Jerome County's average per capita income is $40,136. Household income levels show a median of $69,338. The poverty rate stands at 13.91%.
Name | Median | Mean |
|---|---|---|
| Married Families | $83,862 | - |
| Families | $74,184 | $95,943 |
| Households | $69,338 | $87,894 |
| Non Families | $37,078 | $53,868 |
Average Income
Median Household Income
Poverty Rate
