Rock County, Nebraska Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Rock County, NE Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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B
Income Around averageWealthier than 93% of counties in Nebraska
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D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Rock County | Nebraska Avg | U.S. Average |
|---|---|---|---|
| Population | 1,319 | 1,978,686 | 337,468,954 |
| Population density (per sq mi) | 1.3 | 25.6 | 86.4 |
| Population growth (%/yr) | -0.75% | 0.63% | 0.59% |
| Median age | 47.7 | 38.3 | 37.3 |
| Households | 600 | 797,835 | 130,235,071 |
Population in Rock County declined by 11.7% from 2009 to 2024, reaching 1,319 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Rock County is Boomers, aged 61–79, at 23.4% of residents. That is 7.1 points above Nebraska as a whole.
- Gen Z 13–28 223 16.9% -5.8 pts
- Millennials 29–44 207 15.7% -5.3 pts
- Gen X 45–60 295 22.3% +4.0 pts
- Boomers 61–79 309 23.4% +7.1 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Nebraska, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.1% of the people living in Rock County and men 49.9%.
- Women 50.1% Nebraska 49.9%
- Men 49.9% Nebraska 50.1%
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Residents matching this profile
100% of everyone living in Rock County
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Economy
Rock County has a the economy index of B, which means it is quite prosperous.
| Metric | Rock County | Nebraska Avg | U.S. Average |
|---|---|---|---|
| Median household income | $58,845 | $76,615 | $80,455 |
| Income growth (%/yr) | 2.90% | 4.27% | 4.80% |
| Unemployment rate | 1.2% | 3.0% | 5.2% |
The median household income in Rock County is about 23% lower than in Nebraska.
Housing
| Metric | Rock County | Nebraska Avg | U.S. Average |
|---|---|---|---|
| Median home price | $9,499 | $175,282 | $248,835 |
| Median rent | $643 | $1,071 | $1,407 |
| Homeownership rate | 69.3% | 66.5% | 65.2% |
The median home price in Rock County is about 1.2 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $643 per month for that long.
Commute Time & Mobility
Commuters in Rock County spend about 17 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 73 hours, about 3.0 full days, spent commuting.
| Metric | Rock County | Nebraska Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 8.7 | 17.0 | 22.4 |
| Round-trip commute (min) | 17.5 | 34.0 | 44.8 |
| Yearly time spent (hours) | 73 | 142 | 187 |
| Estimated yearly cost | $2,255 | $4,390 | $5,790 |
| Work from home | 9.4% | 11.1% | 15.0% |
| Highway traffic (vehicles/day) | 1,135 | 5,179 | 8,813 |
| Local road traffic (vehicles/day) | 95 | 691 | 1,355 |
Fastest commutes among counties in
Nebraska:
Hooker County (7.4 min), Cherry County (8.0 min), Box Butte County (8.0 min).
Slowest:
Cass County (28.0 min), Banner County (27.2 min), Saunders County (26.9 min).
The average commute time in Rock County is 9 minutes, shorter than the 17 minutes in Nebraska.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Rock County has a education index of D, which means it is barely educated.
| Metric | Rock County | Nebraska Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 27.7% | 30.8% | 31.6% |
| Average household size | 2.13 | 2.42 | 2.53 |
Highest education index among counties in
Nebraska:
Sarpy County (0.3), Lancaster County (0.3), Douglas County (0.3).
Lowest:
Dakota County (0.2), Colfax County (0.2), Dawson County (0.2).
Health
Rock County has a health index of B, which means it is quite healthy.
| Metric | Rock County | Nebraska Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 77.0 | 79.5 | 78.3 |
| Self-rated poor health | 11.6% | 12.9% | 16.3% |
| Smokers | 14.7% | 16.6% | 19.0% |
Highest health index among counties in
Nebraska:
Wayne County (0.8), Sarpy County (0.8), Lancaster County (0.8).
Lowest:
Thurston County (0.8), Pawnee County (0.8), Dundy County (0.8).
Frequently Asked Questions
Common questions about Rock County, Nebraska.
What is the population of Rock County, Nebraska?
About 1,319 people live in Rock County, Nebraska, in 600 households of 2.1 people on average. The median age is 47.7, so residents are older than the U.S. median of 37.3 by about 10 years.
Is Rock County, Nebraska mostly urban or rural?
Averaged over its land area, Rock County, Nebraska has 1 people per square mile, a density typical of rural areas. That is about 2% of the U.S. average of 86.
Is Rock County, Nebraska an affordable place to live?
The median home costs 0.2 times the median household income ($9,499 against $58,845), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $643 a month takes about 13% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is unemployment high in Rock County, Nebraska?
Unemployment in Rock County, Nebraska is only 1.2%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
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