Summit, New Jersey Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Summit, 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.
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A+
Health Top grade
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A+
Income Top grade
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A+
Education Top grade
Source: Map AI Methodology
Population
| Metric | Summit | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Population | 22,705 | 9,334,304 | 337,468,954 |
| Population density (per sq mi) | 3756.2 | 1071.4 | 86.4 |
| Population growth (%/yr) | 0.46% | 0.59% | 0.59% |
| Median age | 42.7 | 40.2 | 37.3 |
| Households | 8,330 | 3,503,323 | 130,235,071 |
Population in Summit grew by 9.8% from 2009 to 2024, reaching 22,705 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Summit is Gen X, aged 45–60, at 25.2% of residents. That is 3.8 points above New Jersey as a whole.
- Gen Z 13–28 4,011 17.7% -2.5 pts
- Millennials 29–44 4,750 20.9% -0.9 pts
- Gen X 45–60 5,728 25.2% +3.8 pts
- Boomers 61–79 3,164 13.9% -2.9 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 51.1% of the people living in Summit and men 48.9%.
- Women 51.1% New Jersey 50.9%
- Men 48.9% New Jersey 49.1%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Summit
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Economy
Summit has a the economy index of A+, which means it is exceptionally prosperous.
| Metric | Summit | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Median household income | $195,525 | $103,817 | $80,455 |
| Income growth (%/yr) | 5.21% | 4.37% | 4.80% |
| Unemployment rate | 5.4% | 6.3% | 5.2% |
The median household income in Summit is about 88% higher than in New Jersey.
Housing
| Metric | Summit | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Median home price | $624,999 | $352,792 | $248,835 |
| Median rent | $2,430 | $1,719 | $1,407 |
| Homeownership rate | 68.3% | 63.8% | 65.2% |
The median home price in Summit is about 21.4 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,430 per month for that long.
Commute Time & Mobility
Commuters in Summit spend about 53 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 221 hours, about 9.2 full days, spent commuting.
| Metric | Summit | New Jersey Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 26.5 | 26.2 | 22.4 |
| Round-trip commute (min) | 53.0 | 52.4 | 44.8 |
| Yearly time spent (hours) | 221 | 218 | 187 |
| Estimated yearly cost | $6,846 | $6,764 | $5,790 |
| Work from home | 23.8% | 16.8% | 15.0% |
| Highway traffic (vehicles/day) | 26,189 | 14,317 | 8,813 |
| Local road traffic (vehicles/day) | 2,266 | 2,109 | 1,355 |
The average commute time in Summit is 27 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
Summit has a education index of A+, which means it is exceptionally educated.
| Metric | Summit | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 67.3% | 39.6% | 31.6% |
| Average household size | 2.71 | 2.61 | 2.53 |
Health
Summit has a health index of A+, which means it is exceptionally healthy.
| Metric | Summit | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 83.1 | 79.4 | 78.3 |
| Self-rated poor health | 8.0% | 12.9% | 16.3% |
| Smokers | 8.4% | 14.2% | 19.0% |
Frequently Asked Questions
Common questions about Summit, New Jersey.
What is the population of Summit, New Jersey?
About 22,705 people live in Summit, New Jersey, in 8,330 households of 2.7 people on average. The median age is 42.7, so residents are older than the U.S. median of 37.3 by about 5 years.
Is Summit, New Jersey mostly urban or rural?
Averaged over its land area, Summit, New Jersey has 3,756 people per square mile, a density typical of a city. That is about 43 times the U.S. average of 86.
Is Summit, New Jersey an affordable place to live?
The median home costs 3.2 times the median household income ($624,999 against $195,525), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $2,430 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How common is a college degree in Summit, New Jersey?
67.3% of adults in Summit, New Jersey hold a bachelor's degree or higher (about 7 in 10), well above the U.S. share of 31.6%.
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