Warren County, New Jersey Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Warren County, NJ Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
B
Health Around average
-
B
Income Around average
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B
Education Around averageLess educated than 70% of counties in New Jersey
Source: Map AI Methodology
Population: density and quick facts
| Metric | Warren County | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Population | 110,807 | 9,334,304 | 337,468,954 |
| Population density (per sq mi) | 305.8 | 1071.4 | 86.4 |
| Population growth (%/yr) | 0.44% | 0.59% | 0.59% |
| Median age | 42.6 | 40.2 | 37.3 |
| Households | 45,376 | 3,503,323 | 130,235,071 |
Population in Warren County grew by 1.0% from 2009 to 2024, reaching 110,807 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Warren County is Gen X, aged 45–60, at 23.9% of residents. That is 2.5 points above New Jersey as a whole.
- Gen Z 13–28 20,982 18.9% -1.2 pts
- Millennials 29–44 22,124 20.0% -1.8 pts
- Gen X 45–60 26,527 23.9% +2.5 pts
- Boomers 61–79 20,914 18.9% +2.0 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 New Jersey, 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 50.7% of the people living in Warren County and men 49.3%.
- Women 50.7% New Jersey 50.9%
- Men 49.3% New Jersey 49.1%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Warren County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Warren County has a the economy index of B, which means it is quite prosperous.
| Metric | Warren County | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Median household income | $100,835 | $103,817 | $80,455 |
| Income growth (%/yr) | 4.26% | 4.37% | 4.80% |
| Unemployment rate | 5.1% | 6.3% | 5.2% |
The median household income in Warren County is about 3% lower than in New Jersey.
Housing
| Metric | Warren County | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Median home price | $257,078 | $352,792 | $248,835 |
| Median rent | $1,409 | $1,719 | $1,407 |
| Homeownership rate | 75.1% | 63.8% | 65.2% |
The median home price in Warren County is about 15.2 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,409 per month for that long.
Commute Time & Mobility
Commuters in Warren County spend about 62 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 257 hours, about 10.7 full days, spent commuting.
| Metric | Warren County | New Jersey Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 30.8 | 26.2 | 22.4 |
| Round-trip commute (min) | 61.6 | 52.4 | 44.8 |
| Yearly time spent (hours) | 257 | 218 | 187 |
| Estimated yearly cost | $7,958 | $6,764 | $5,790 |
| Work from home | 12.5% | 16.8% | 15.0% |
| Highway traffic (vehicles/day) | 9,283 | 14,317 | 8,813 |
| Local road traffic (vehicles/day) | 1,097 | 2,109 | 1,355 |
Fastest commutes among counties in
New Jersey:
Cape May County (18.1 min), Cumberland County (21.2 min), Atlantic County (21.6 min).
Slowest:
Hudson County (32.7 min), Sussex County (32.6 min), Hunterdon County (31.0 min).
The average commute time in Warren County is 31 minutes, longer than the 26 minutes in New Jersey.
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
Warren County has a education index of B, which means it is quite educated.
| Metric | Warren County | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 34.1% | 39.6% | 31.6% |
| Average household size | 2.40 | 2.61 | 2.53 |
Highest education index among counties in
New Jersey:
Somerset County (0.4), Morris County (0.4), Hunterdon County (0.4).
Lowest:
Cumberland County (0.2), Salem County (0.2), Passaic County (0.3).
Health
Warren County has a health index of B, which means it is quite healthy.
| Metric | Warren County | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.0 | 79.4 | 78.3 |
| Self-rated poor health | 11.5% | 12.9% | 16.3% |
| Smokers | 15.0% | 14.2% | 19.0% |
Highest health index among counties in
New Jersey:
Morris County (0.8), Hunterdon County (0.8), Somerset County (0.8).
Lowest:
Cumberland County (0.8), Salem County (0.8), Passaic County (0.8).
Warren County, NJ Compared With Nearby Counties
Warren County, NJ is the smallest of the 6 counties compared here, 110,807 residents against a local median of 167,515. Nothing separates Warren County, NJ sharply from the counties around it. Each measure below lands within 15% of the local median, close enough that the differences are within what survey sampling alone would produce.
The largest of those small differences is median household income, 13% below the local median at $100,835 against $116,052. Warren County, NJ has the 4th highest median household income of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Warren County, NJ | 110,807 | $100,835 #4/6 | $257,078 #3/6 | 30.8 min #4/6 |
| Hunterdon County, NJ | 130,145 | $142,458 | $292,762 | 31.0 min |
| Northampton County, PA | 318,250 | $90,012 | $213,097 | 21.9 min |
| Monroe County, PA | 167,515 | $83,939 | $233,093 | 28.7 min |
| Sussex County, NJ | 145,409 | $116,052 | $215,788 | 32.6 min |
| Morris County, NJ | 514,287 | $137,937 | $539,796 | 25.8 min |
Frequently Asked Questions
Common questions about Warren County, New Jersey.
How big is Warren County, New Jersey by population?
About 110,807 people live in Warren County, New Jersey, in 45,376 households of 2.4 people on average. The median age is 42.6, so residents are older than the U.S. median of 37.3 by about 5 years.
Is Warren County, New Jersey urban or rural?
Averaged over its land area, Warren County, New Jersey has 306 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 3.5 times the U.S. average of 86.
Can a typical household afford a home in Warren County, New Jersey?
The median home costs 2.5 times the median household income ($257,078 against $100,835), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,409 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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