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Deer Park, New York Demographics & Population 2026

During the 2020–2024 ACS period, Deer Park, New York had a total population of 27,990, the 55th largest community in New York, with a median household income of $137,105, which is 59% higher than the state average. The poverty rate is 3.4%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Key Takeaways

Deer Park Quick Facts

Population 27,990
Median Household Income $137,105
Median Home Value $543,500
Poverty Rate 3.4%
Unemployment Rate 2.1%
Median Age 38.6 years
Homeownership Rate 83.8%
Affordability Ratio 4.0x
Bachelor's Degree or Higher 38.4%
High School Graduation Rate 92.5%
Diversity Index 68/100
Population 27,990 55th of 1,289
Median Income $137,105 top 20%
Poverty Rate 3.4% 73% lower than national
Median Home Value $543,500 top 30%

How Deer Park Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population27,33427,990+2.4%
Median household income$138,950$137,105-1.3%
Median home value$497,900$543,500+9.2%

How Deer Park Compares

Economy & Housing

Household Income Distribution

Under $25K 6.4%
$25K-$50K 9.6%
$50K-$100K 19.0%
$100K+ 65.0%
Detailed income brackets
Under $10K
2.3%
$10K-$15K
1.4%
$15K-$20K
1.1%
$20K-$25K
1.7%
$25K-$30K
1.2%
$30K-$35K
0.9%
$35K-$40K
4.5%
$40K-$45K
1.4%
$45K-$50K
1.6%
$50K-$60K
3.0%
$60K-$75K
6.4%
$75K-$100K
9.6%
$100K-$125K
10.5%
$125K-$150K
10.8%
$150K-$200K
19.0%
$200K+
24.7%

Employment

2.1% Unemployment Rate State: 6.4%|National: 5.2%
68.5% Labor Force Participation

Housing Overview

Owner 83.8%
Renter 16.2%
Affordability Index Moderate
4.0x home value to income ratio
Median gross rent $1,906/mo 16.7% of median household income annually

People & Demographics

Diversity Index

68out of 100
High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 65 | National average: 61

Education

Deer Park Rankings in New York

#55 Population of 1,289
#246 Median Income of 1,219
#548 Education of 1,288
#308 Home Value of 1,232

Other Cities in Suffolk County

CityPopulationMedian IncomePovertyHome Value
West Babylon 43,570 $129,519 5.9% $531,900
Coram 39,539 $105,220 7.5% $452,100
Central Islip 38,373 $113,707 9.2% $436,400
Commack 36,558 $169,792 4.2% $678,200
Huntington Station 32,601 $135,477 7.2% $578,000
Centereach 31,839 $132,240 5.3% $514,800
Bay Shore 31,683 $105,618 10.2% $492,200
Shirley 28,375 $112,788 6.5% $424,900
Lindenhurst 27,142 $130,128 5.7% $521,500
West Islip 26,865 $176,281 2.7% $614,300

Cities Similar to Deer Park

These cities in the same state have comparable population and economic profiles.

CityPopulationMedian IncomeHome ValueBachelor's+Poverty
Lindenhurst27,142$130,128$521,50031.9%5.7%
Holbrook26,449$144,760$536,20034.4%5.2%
Shirley28,375$112,788$424,90018.9%6.5%
Franklin Square30,897$143,263$657,00038.4%5.6%
Rockville Centre25,765$151,938$818,70063.9%4.7%

Population Overview

Deer Park is a mid-sized community located in New York, within Suffolk County. The total population is 27,990. It ranks as the 55th most populous out of 1,289 Census-designated places in New York.

Age Demographics

The median age in Deer Park is 38.6 years. This is 3% lower than the state median of 39.8 years.

Economy, Income & Housing

The median household income in Deer Park is $137,105. This is 59% higher than the state median of $85,974. It is also 70% higher than the national median of $80,734. The poverty rate stands at 3.4%. This is 76% lower than the state poverty rate of 14.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.1%. This is 66% lower than the state rate of 6.4%. The median home value is $543,500. Housing costs are 28% higher than the state median of $423,800. The home-value-to-income ratio is 4.0x. 83.8% of occupied housing units are owner-occupied. This homeownership rate is 54% higher than the state average of 54.4%.

Race & Ethnicity

The largest racial or ethnic group in Deer Park is White (non-Hispanic), making up 48.3% of the population. Hispanic or Latino residents account for 22.8%.

Education

38.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 5% lower than the state rate of 40.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.5%. Notably, 17.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Deer Park, New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,289 Census-designated places in New York. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.

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Frequently Asked Questions

What is the population of Deer Park, New York?

Deer Park, New York has a population of 27,990 according to the most recent U.S. Census ACS 5-Year Estimates.

What is the median household income in Deer Park, NY?

The median household income in Deer Park is $137,105, which is 70% higher than the national median of $80,734.

What is the poverty rate in Deer Park, NY?

The poverty rate in Deer Park is 3.4%. This means approximately 944 residents live below the federal poverty line.

What is the racial makeup of Deer Park, New York?

Deer Park's population is 48.3% White, 13.5% Black, 22.8% Hispanic/Latino, and 10.5% Asian.

What is the median home value in Deer Park, NY?

The median home value in Deer Park is $543,500. The home-value-to-income ratio is 4.0x.

How educated is Deer Park, New York?

38.4% of adults (25+) in Deer Park hold a bachelor's degree or higher, and 17.1% hold a graduate or professional degree.