Rockingham County, New Hampshire Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Rockingham County, NH Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
A
Health Above averageHealthiest county in New Hampshire
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A
Income Above averageWealthiest county in New Hampshire
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A
Education Above averageBest educated county in New Hampshire
Source: Map AI Methodology
Population: density and quick facts
| Metric | Rockingham County | New Hampshire Avg | U.S. Average |
|---|---|---|---|
| Population | 319,036 | 1,394,471 | 337,468,954 |
| Population density (per sq mi) | 401.2 | 149.1 | 86.4 |
| Population growth (%/yr) | 0.75% | 0.62% | 0.59% |
| Median age | 43.9 | 41.3 | 37.3 |
| Households | 127,503 | 555,445 | 130,235,071 |
Population in Rockingham County grew by 7.4% from 2009 to 2024, reaching 319,036 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Rockingham County is Gen X, aged 45–60, at 24.9% of residents. That is 1.9 points above New Hampshire as a whole.
- Gen Z 13–28 57,691 18.1% -1.8 pts
- Millennials 29–44 64,574 20.2% -0.3 pts
- Gen X 45–60 79,437 24.9% +1.9 pts
- Boomers 61–79 61,215 19.2% on par
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below New Hampshire, 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 50.4% of the people living in Rockingham County and men 49.6%.
- Women 50.4% New Hampshire 50.3%
- Men 49.6% New Hampshire 49.7%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Rockingham County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Rockingham County has a the economy index of A, which means it is very prosperous.
| Metric | Rockingham County | New Hampshire Avg | U.S. Average |
|---|---|---|---|
| Median household income | $118,478 | $99,079 | $80,455 |
| Income growth (%/yr) | 4.58% | 4.69% | 4.80% |
| Unemployment rate | 3.5% | 3.3% | 5.2% |
The median household income in Rockingham County is about 20% higher than in New Hampshire.
Housing
| Metric | Rockingham County | New Hampshire Avg | U.S. Average |
|---|---|---|---|
| Median home price | $476,549 | $300,691 | $248,835 |
| Median rent | $1,687 | $1,490 | $1,407 |
| Homeownership rate | 78.4% | 72.8% | 65.2% |
The median home price in Rockingham County is about 23.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,687 per month for that long.
Commute Time & Mobility
Commuters in Rockingham County spend about 52 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 215 hours, about 9.0 full days, spent commuting.
| Metric | Rockingham County | New Hampshire Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 25.8 | 22.5 | 22.4 |
| Round-trip commute (min) | 51.6 | 45.0 | 44.8 |
| Yearly time spent (hours) | 215 | 188 | 187 |
| Estimated yearly cost | $6,664 | $5,813 | $5,790 |
| Work from home | 19.4% | 16.8% | 15.0% |
| Highway traffic (vehicles/day) | 12,868 | 8,168 | 8,813 |
| Local road traffic (vehicles/day) | 2,022 | 1,232 | 1,355 |
Fastest commutes among counties in
New Hampshire:
Coos County (17.5 min), Grafton County (17.5 min), Cheshire County (18.6 min).
Slowest:
Rockingham County (25.8 min), Sullivan County (23.5 min), Merrimack County (23.0 min).
The average commute time in Rockingham County is 26 minutes, longer than the 23 minutes in New Hampshire.
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
Rockingham County has a education index of A, which means it is very educated.
| Metric | Rockingham County | New Hampshire Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 41.3% | 36.2% | 31.6% |
| Average household size | 2.48 | 2.44 | 2.53 |
Highest education index among counties in
New Hampshire:
Rockingham County (0.4), Grafton County (0.4), Hillsborough County (0.3).
Lowest:
Coos County (0.2), Sullivan County (0.3), Cheshire County (0.3).
Health
Rockingham County has a health index of A, which means it is very healthy.
| Metric | Rockingham County | New Hampshire Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.6 | 80.2 | 78.3 |
| Self-rated poor health | 10.3% | 12.6% | 16.3% |
| Smokers | 14.6% | 16.0% | 19.0% |
Highest health index among counties in
New Hampshire:
Rockingham County (0.8), Merrimack County (0.8), Grafton County (0.8).
Lowest:
Coos County (0.8), Sullivan County (0.8), Belknap County (0.8).
Rockingham County, NH Compared With Nearby Counties
Rockingham County, NH is the 3rd largest of the 6 counties compared here, 319,036 residents against a local median of 216,704. Where Rockingham County, NH breaks from the counties next to it is median household income, sitting 27% above the local median of $93,156 at $118,478. That is the better end of the local range on this measure.
Median home price tells the same story from another angle: $476,549 against a local median of $408,842, 17% above it. The counties themselves spread $42,542 on median household income, so Rockingham County, NH sits at one end of an already wide local range rather than apart from it. Rockingham County, NH has the 2nd highest median household income of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Rockingham County, NH | 319,036 | $118,478 #2/6 | $476,549 #3/6 | 25.8 min #5/6 |
| Strafford County, NH | 132,534 | $91,007 | $237,678 | 22.0 min |
| Essex County, MA | 810,585 | $102,063 | $550,714 | 23.3 min |
| Middlesex County, MA | 1,636,094 | $131,269 | $718,434 | 28.4 min |
| York County, ME | 216,704 | $88,726 | $408,842 | 23.9 min |
| Belknap County, NH | 64,647 | $93,156 | $233,409 | 20.4 min |
Frequently Asked Questions
Common questions about Rockingham County, New Hampshire.
How many people live in Rockingham County, New Hampshire?
About 319,036 people live in Rockingham County, New Hampshire, in 127,503 households of 2.5 people on average. The median age is 43.9, so residents are older than the U.S. median of 37.3 by about 7 years.
Is Rockingham County, New Hampshire mostly urban or rural?
Averaged over its land area, Rockingham County, New Hampshire has 401 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 4.6 times the U.S. average of 86.
How affordable is housing in Rockingham County, New Hampshire?
The median home costs 4.0 times the median household income ($476,549 against $118,478), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,687 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is it hard to find a job in Rockingham County, New Hampshire?
Unemployment in Rockingham County, New Hampshire is only 3.5%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
What share of adults in Rockingham County, New Hampshire have a college degree?
41.3% of adults in Rockingham County, New Hampshire hold a bachelor's degree or higher (about 1 in 2), well above the U.S. share of 31.6%.
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