Rock County, Nebraska
Located in Nebraska, Rock County has a population of 1,319 residents and a median age of 49.4 years, making it the #3,167 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 10.8%. The median home value is $117,500, and the median household income is $58,125, which is 23% below the national median.
Demographics
Rock County has a population of 1,319, making it the #3,167 most populous county in the US. The median age is 49.4 years, which is 27.0% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Rock County is $58,125, ranking #2,253 out of 3,222 counties — 22.7% below the national median. The poverty rate is 10.8% and unemployment stands at 1.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Rock County is $117,500 (-58.3% vs national). Renters pay a median of $644/mo and the homeownership rate is 69.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Rock County, 27.1% of adults age 25+ hold a bachelor's degree or higher, which is 19.6% below the national average, ranking #1,006 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
14.7% of adults report poor or fair health and 7.5% lack health insurance. Data from County Health Rankings (2025).
Poor/Fair Health Trend
Substance Use
16.9% of adults in Rock County smoke , 41.0% are obese , and 22.5% report excessive drinking.
Adult Smoking Trend
Safety
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Families & Children
18.9% of children in Rock County live in poverty .
Child Poverty Trend
Civic & Transportation
Voter turnout in Rock County is 75.1%. The mean commute time is 13.4 min, which is 51.3% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Rock County voted Republican with a margin of 79.1%. The vote was 10.2% Dem / 89.3% Rep. Compared to 2020, the margin shifted 0.7 toward Republicans .
Vote Share Over Time
About Rock County, Nebraska
Rock County, Nebraska has a total population of 1,319, making it the 3,167th most populous county in the United States. The median age in Rock County is 49.4 years, which is 27.0% above the national median of 38.9 years.
The median household income in Rock County is $58,125, which ranks #2,253 of 3,222 counties nationwide. This is 22.7% below the national median of $75,149. The poverty rate is 10.8%, lower than the national rate of 12.6%. The unemployment rate stands at 1.2%.
The median home value in Rock County is $117,500, 58.3% below the national median. Renters in Rock County pay a median gross rent of $644 per month. The homeownership rate is 69.3%, compared to the national rate of 64.4%.
In Rock County, 27.1% of residents aged 25 and older hold a bachelor's degree or higher, 19.6% below the national average of 33.7%. Health insurance coverage stands at 95.1% of the population. The average commute time for workers is 13.4 min.
Rock County is a community. The largest racial or ethnic group is White (non-Hispanic) at 98.6% of the population.
All data for Rock County, Nebraska comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.