Centereach, New York Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Centereach, NY 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 Above average
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A
Income Above average
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B
Education Around average
Source: Map AI Methodology
Population
| Metric | Centereach | New York Avg | U.S. Average |
|---|---|---|---|
| Population | 33,381 | 19,748,855 | 337,468,954 |
| Population density (per sq mi) | 3743.3 | 362.0 | 86.4 |
| Population growth (%/yr) | -0.11% | 0.05% | 0.59% |
| Median age | 36.5 | 38.7 | 37.3 |
| Households | 10,126 | 7,694,043 | 130,235,071 |
Population in Centereach grew by 7.4% from 2009 to 2024, reaching 33,381 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Centereach is Gen X, aged 45–60, at 22.8% of residents. That is 2.1 points above New York as a whole.
- Gen Z 13–28 7,496 22.5% +1.9 pts
- Millennials 29–44 6,932 20.8% -1.4 pts
- Gen X 45–60 7,625 22.8% +2.1 pts
- Boomers 61–79 4,738 14.2% -3.2 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 York, 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 49.7% of the people living in Centereach and men 50.3%.
- Women 49.7% New York 51.3%
- Men 50.3% New York 48.7%
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Economy
Centereach has a the economy index of A, which means it is very prosperous.
| Metric | Centereach | New York Avg | U.S. Average |
|---|---|---|---|
| Median household income | $132,971 | $86,556 | $80,455 |
| Income growth (%/yr) | 3.64% | 4.51% | 4.80% |
| Unemployment rate | 5.6% | 6.4% | 5.2% |
The median household income in Centereach is about 54% higher than in New York.
Housing
| Metric | Centereach | New York Avg | U.S. Average |
|---|---|---|---|
| Median home price | $625,754 | $471,885 | $248,835 |
| Median rent | $2,337 | $1,621 | $1,407 |
| Homeownership rate | 87.1% | 54.3% | 65.2% |
The median home price in Centereach is about 22.3 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,337 per month for that long.
Commute Time & Mobility
Commuters in Centereach spend about 51 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 213 hours, about 8.9 full days, spent commuting.
| Metric | Centereach | New York Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 25.6 | 28.7 | 22.4 |
| Round-trip commute (min) | 51.2 | 57.4 | 44.8 |
| Yearly time spent (hours) | 213 | 239 | 187 |
| Estimated yearly cost | $6,612 | $7,414 | $5,790 |
| Work from home | 10.8% | 15.0% | 15.0% |
| Highway traffic (vehicles/day) | 14,680 | 9,257 | 8,813 |
| Local road traffic (vehicles/day) | 4,015 | 1,586 | 1,355 |
The average commute time in Centereach is 26 minutes, shorter than the 29 minutes in New York.
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
Centereach has a education index of B, which means it is quite educated.
| Metric | Centereach | New York Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 33.1% | 36.5% | 31.6% |
| Average household size | 3.36 | 2.49 | 2.53 |
Health
Centereach has a health index of A, which means it is very healthy.
| Metric | Centereach | New York Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.6 | 80.3 | 78.3 |
| Self-rated poor health | 9.6% | 13.2% | 16.3% |
| Smokers | 14.3% | 17.4% | 19.0% |
Centereach, NY Compared With Nearby Cities
How Centereach, NY compares with the 1 cities closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Centereach, NY | 33,381 | $132,971 #1/2 | $625,754 #1/2 | 25.6 min #2/2 |
| Selden, NY | 21,223 | $110,316 | $534,894 | 24.0 min |
Frequently Asked Questions
Common questions about Centereach, New York.
What is the population of Centereach, New York?
About 33,381 people live in Centereach, New York, in 10,126 households of 3.4 people on average. The median age is 36.5, close to the U.S. median of 37.3.
How densely populated is Centereach, New York?
Averaged over its land area, Centereach, New York has 3,743 people per square mile, a density typical of a city. That is about 43 times the U.S. average of 86.
Is Centereach, New York an affordable place to live?
The median home costs 4.7 times the median household income ($625,754 against $132,971), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $2,337 a month takes about 21% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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