Old Brookville, New York | |
|---|---|
| Incorporated Village of Old Brookville | |
Old Brookville Village Hall in 2021 | |
Location inNassau County and the state ofNew York. | |
| Coordinates:40°49′38″N73°36′7″W / 40.82722°N 73.60194°W /40.82722; -73.60194 | |
| Country | |
| State | |
| County | Nassau |
| Town | Oyster Bay |
| Incorporated | November 7, 1929 |
| Government | |
| • Mayor | Bernard D. Ryba |
| Area | |
• Total | 3.98 sq mi (10.32 km2) |
| • Land | 3.98 sq mi (10.31 km2) |
| • Water | 0 sq mi (0.00 km2) |
| Elevation | 95 ft (29 m) |
| Population (2020) | |
• Total | 2,020 |
| • Density | 507.2/sq mi (195.85/km2) |
| Time zone | UTC-5 (Eastern (EST)) |
| • Summer (DST) | UTC-4 (EDT) |
| ZIP codes | 11545, 11548 |
| Area codes | 516, 363 |
| FIPS code | 36-54562 |
| GNIS feature ID | 0959256 |
| Website | www |
Old Brookville is avillage located within theTown of Oyster Bay inNassau County, on theNorth Shore ofLong Island, inNew York, United States. The village population was 2,020 at the time of the 2020 census.
Old Brookville incorporated as a village on November 7, 1929.[2][3][4] The current Village Hall was dedicated in June 1963 on land donated by Alistair B. Martin.[4]

According to theUnited States Census Bureau, the village has a total area of 4.0 square miles (10 km2), all land.[5]
| Census | Pop. | Note | %± |
|---|---|---|---|
| 1930 | 423 | — | |
| 1940 | 356 | −15.8% | |
| 1950 | 644 | 80.9% | |
| 1960 | 1,126 | 74.8% | |
| 1970 | 1,785 | 58.5% | |
| 1980 | 1,574 | −11.8% | |
| 1990 | 1,823 | 15.8% | |
| 2000 | 2,167 | 18.9% | |
| 2010 | 2,134 | −1.5% | |
| 2020 | 2,020 | −5.3% | |
| U.S. Decennial Census[6] | |||
At the2000 census there were 2,167 people, 722 households, and 618 families in the village. The population density was 545.2 inhabitants per square mile (210.5/km2). There were 760 housing units at an average density of 191.2 per square mile (73.8/km2). Theracial makeup of the village was 89.20% White, 1.43% African American, 7.34% Asian, 0.55% from other races, and 1.48% from two or more races. Hispanic or Latino of any race were 2.03%.[7]
Of the 722 households 36.3% had children under the age of 18 living with them, 76.6% were married couples living together, 7.3% had a female householder with no husband present, and 14.4% were non-families. 11.2% of households were one person and 6.0% were one person aged 65 or older. The average household size was 3.00 and the average family size was 3.22.
The age distribution was 25.4% under the age of 18, 5.5% from 18 to 24, 23.1% from 25 to 44, 30.5% from 45 to 64, and 15.6% 65 or older. The median age was 43 years. For every 100 females, there were 97.7 males. For every 100 females age 18 and over, there were 91.8 males.
The median household income was $233,192 and the median family income was $255,731. Males had a median income of $108,562 versus $82,625 for females. The per capita income for the village was $98,874. About 0.3% of families and 0.4% of the population were below thepoverty line, including 0.2% of those under age 18 and 0.7% of those age 65 or over.
As of August 2021, the Mayor of Old Brookville is Bernard D. Ryba and the Village Trustees are William Clarke, Frank Galluzzo, Lori Golden, and John Vasilakis.[3]
Old Brookville is primarily located within Nassau County's 18th Legislative district, which as of April 2025 is represented in theNassau County Legislature by Samantha A. Goetz (R–Locust Valley).[8][9]
Old Brookville is located within New York's15th State Assembly district, which as of April 2025 is represented in theNew York State Assembly byJacob Ryan Blumencranz (R–Oyster Bay).[8][9][10]
Old Brookville is located within theNew York State Senate's7th State Senate district, which as of April 2025 is represented in the New York State Senate byJack M. Martins (R–Old Westbury).[8][9][11]
Old Brookville is located withinNew York's 3rd congressional district, which as of April 2025 is represented in theUnited States Congress byThomas R. Suozzi (D–Glen Cove).[8][12]
Like the rest of New York, Old Brookville is represented in theUnited States Senate byCharles Schumer (D) andKirsten Gillibrand (D).[13]
In the 2024 U.S. presidential election, the majority of Old Brookville voters voted forDonald Trump (R).[14][15]
Old Brookville is primarily located within the boundaries of and is thus served by theNorth Shore Central School District.[8] However, some of the eastern side of the village is within the boundaries of – and is served by – the Locust Valley Central School District.[8] Accordingly, students residing in Old Brookville who attend public schools will go to school in one of these two districts depending on where they live in the village.[8]