Rock County's estimated 2026 population is 1,256 with a growth rate of -0.24% in the past year according to the most recent United States census data. Rock County is the 80th largest county in Nebraska. The 2010 population was 1,524 and has seen a growth of -17.59% since that time.
Data after 2023 is projected based on recent change
Overall: 49.4 years
Female: 51.3 years
Male: 45.5 years
There are 1,056 adults, (381 of whom are seniors) in Rock County.
Female: 661 (50.1%)
Male: 658 (49.9%)
The racial composition of Rock County includes 98.56% White, and smaller percentages for Two or more races, other race, Black or African American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,300 | 98.56% |
| Two or more races | 15 | 1.14% |
| Other race | 3 | 0.23% |
| Black or African American | 1 | 0.08% |
Rock County's average per capita income is $40,263. Household income levels show a median of $58,125. The poverty rate stands at 10.82%.
Name | Median | Mean |
|---|---|---|
| Married Families | $86,250 | - |
| Families | $74,875 | $99,993 |
| Households | $58,125 | $79,759 |
| Non Families | $34,375 | $42,495 |
Average Income
Median Household Income
Poverty Rate