Rock County's estimated 2026 population is 1,205 with a growth rate of -1.47% 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 -20.93% since that time.
Data after 2023 is projected based on recent change
The racial composition of Rock County includes 98.5% White, and smaller percentages for Native American, Two or more races, Black or African American, other race and multiracial populations.
White (98.5%)
Native American (0.6%)
Two or more races (0.6%)
Black or African American (0.15%)
Other race (0.15%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,315 | 98.5% |
| Native American | 8 | 0.6% |
| Two or more races | 8 | 0.6% |
| Black or African American | 2 | 0.15% |
| Other race | 2 | 0.15% |
Married
Widowed
Divorced
Separated
Never Married
Rock County's average per capita income is $42,240. Household income levels show a median of $57,500. The poverty rate stands at 10.48%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,722 | - |
| Families | $72,250 | $103,585 |
| Households | $57,500 | $84,098 |
| Non Families | $36,250 | $42,483 |
Average Income
Median Household Income
Poverty Rate
