Westfield, New Jersey Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Westfield, 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 | Westfield | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Population | 31,061 | 9,334,304 | 337,468,954 |
| Population density (per sq mi) | 4606.5 | 1071.4 | 86.4 |
| Population growth (%/yr) | 0.29% | 0.59% | 0.59% |
| Median age | 41.2 | 40.2 | 37.3 |
| Households | 10,851 | 3,503,323 | 130,235,071 |
Population in Westfield grew by 5.8% from 2009 to 2024, reaching 31,061 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Westfield is Gen X, aged 45–60, at 26.0% of residents. That is 4.6 points above New Jersey as a whole.
- Gen Z 13–28 5,149 16.6% -3.6 pts
- Millennials 29–44 6,005 19.3% -2.4 pts
- Gen X 45–60 8,091 26.0% +4.6 pts
- Boomers 61–79 4,385 14.1% -2.7 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 51.5% of the people living in Westfield and men 48.5%.
- Women 51.5% New Jersey 50.9%
- Men 48.5% New Jersey 49.1%
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Economy
Westfield has a the economy index of A+, which means it is exceptionally prosperous.
| Metric | Westfield | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Median household income | $205,099 | $103,817 | $80,455 |
| Income growth (%/yr) | 4.10% | 4.37% | 4.80% |
| Unemployment rate | 3.7% | 6.3% | 5.2% |
The median household income in Westfield is about 98% higher than in New Jersey.
Housing
| Metric | Westfield | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Median home price | $784,997 | $352,792 | $248,835 |
| Median rent | $2,356 | $1,719 | $1,407 |
| Homeownership rate | 81.1% | 63.8% | 65.2% |
The median home price in Westfield is about 27.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,356 per month for that long.
Commute Time & Mobility
Commuters in Westfield spend about 62 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 259 hours, about 10.8 full days, spent commuting.
| Metric | Westfield | New Jersey Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 31.1 | 26.2 | 22.4 |
| Round-trip commute (min) | 62.1 | 52.4 | 44.8 |
| Yearly time spent (hours) | 259 | 218 | 187 |
| Estimated yearly cost | $8,022 | $6,764 | $5,790 |
| Work from home | 34.2% | 16.8% | 15.0% |
| Highway traffic (vehicles/day) | 23,784 | 14,317 | 8,813 |
| Local road traffic (vehicles/day) | 3,248 | 2,109 | 1,355 |
The average commute time in Westfield 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
Westfield has a education index of A+, which means it is exceptionally educated.
| Metric | Westfield | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 72.7% | 39.6% | 31.6% |
| Average household size | 2.84 | 2.61 | 2.53 |
Health
Westfield has a health index of A+, which means it is exceptionally healthy.
| Metric | Westfield | New Jersey Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 84.2 | 79.4 | 78.3 |
| Self-rated poor health | 7.5% | 12.9% | 16.3% |
| Smokers | 8.4% | 14.2% | 19.0% |
Frequently Asked Questions
Common questions about Westfield, New Jersey.
How many people live in Westfield, New Jersey?
About 31,061 people live in Westfield, New Jersey, in 10,851 households of 2.8 people on average. The median age is 41.2, so residents are older than the U.S. median of 37.3 by about 4 years.
How densely populated is Westfield, New Jersey?
Averaged over its land area, Westfield, New Jersey has 4,607 people per square mile, a density typical of a city. That is about 53 times the U.S. average of 86.
Is Westfield, New Jersey an affordable place to live?
The median home costs 3.8 times the median household income ($784,997 against $205,099), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $2,356 a month takes about 14% 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 Westfield, New Jersey?
Unemployment in Westfield, New Jersey is only 3.7%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How common is a college degree in Westfield, New Jersey?
72.7% of adults in Westfield, 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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