Locust Valley, New York Demographics & Population 2026
During the 2020–2024 ACS period, Locust Valley, New York had a total population of 4,153, the 404th largest community in New York, with a median household income of $152,472, which is 77% higher than the state average. The poverty rate is 2.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 77% above the state average — one of the wealthiest communities in New York.
- An exceptionally low poverty rate of 2.5% — among the lowest in New York.
Locust Valley Quick Facts
How Locust Valley Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 3,591 | 4,153 | +15.7% |
| Median household income | $137,344 | $152,472 | +11.0% |
| Median home value | $775,200 | $846,500 | +9.2% |
How Locust Valley Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Locust Valley Rankings in New York
Explore New York Rankings
Other Cities in Nassau County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Hempstead | 58,801 | $90,420 | 14.4% | $459,500 |
| Levittown | 51,904 | $146,068 | 4.7% | $590,500 |
| Freeport | 44,088 | $120,625 | 7.4% | $505,900 |
| Hicksville | 43,780 | $144,471 | 3.9% | $634,100 |
| Valley Stream | 40,315 | $133,190 | 5.5% | $616,100 |
| East Meadow | 36,821 | $133,971 | 6.4% | $631,800 |
| Elmont | 36,518 | $114,217 | 5.0% | $602,900 |
| Baldwin | 34,994 | $145,472 | 6.6% | $593,800 |
| Long Beach | 34,756 | $140,739 | 7.6% | $696,400 |
| Uniondale | 33,148 | $124,684 | 9.2% | $539,000 |
Cities Similar to Locust Valley
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Watchtower | 3,974 | N/A | N/A | 1.8% | 100.0% |
| Montauk | 4,223 | $142,961 | $1,356,600 | 53.1% | 6.1% |
| Pomona | 3,996 | $156,000 | $767,600 | 56.9% | 2.2% |
| Thornwood | 4,140 | $170,398 | $650,400 | 47.6% | 2.8% |
| West Bay Shore | 4,208 | $137,083 | $584,400 | 52.0% | 4.1% |
Population Overview
Locust Valley is a small community located in New York, within Nassau County. The total population is 4,153. It ranks as the 404th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in Locust Valley is 41.9 years. This is 5% higher than the state median of 39.8 years. With 32.5% of the population under 18, Locust Valley has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Locust Valley is $152,472. This is 77% higher than the state median of $85,974. It is also 89% higher than the national median of $80,734. The poverty rate stands at 2.5%. This is 82% 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 5.0%. This is 21% lower than the state rate of 6.4%. The median home value is $846,500. Housing costs are 100% higher than the state median of $423,800. The home-value-to-income ratio is 5.6x. 86.1% of occupied housing units are owner-occupied. This homeownership rate is 58% higher than the state average of 54.4%.
Race & Ethnicity
The largest racial or ethnic group in Locust Valley is White (non-Hispanic), making up 71.7% of the population. Hispanic or Latino residents account for 16.6%. The Black or African American population (0.4%) is well below the state average of 13.4%.
Education
60.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 51% higher 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 83.8%. Notably, 31.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Locust Valley, 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 Locust Valley, New York?
Locust Valley, New York has a population of 4,153 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Locust Valley, NY?
The median household income in Locust Valley is $152,472, which is 89% higher than the national median of $80,734.
What is the poverty rate in Locust Valley, NY?
The poverty rate in Locust Valley is 2.5%. This means approximately 105 residents live below the federal poverty line.
What is the racial makeup of Locust Valley, New York?
Locust Valley's population is 71.7% White, 0.4% Black, 16.6% Hispanic/Latino, and 7.9% Asian.
What is the median home value in Locust Valley, NY?
The median home value in Locust Valley is $846,500. The home-value-to-income ratio is 5.6x.
How educated is Locust Valley, New York?
60.9% of adults (25+) in Locust Valley hold a bachelor's degree or higher, and 31.1% hold a graduate or professional degree.