New York · Census place 3644831
Mamaroneck, New York
Mamaroneck is a village in Westchester County, New York with an estimated 19,783 residents on July 1, 2024. It is the 44th largest of 419 incorporated places of 1,000+ people in the state.
- Population 2024
- 19,783
- #44 of 419 in New York
- Change since 2020
- -1.4%
- -290 people
- Land area
- 3.2 sq mi
- + 3.41 sq mi water
- Density
- 6,163 / sq mi
- State median 3,760
Measure from here
Tools and pages that start from Mamaroneck
Mamaroneck population, 2020 to 2024
Mamaroneck lost 290 residents from July 2020 to July 2024, a change of -1.4%. In the latest year it moved by +131. Among 170 New York places of 5,000 or more, that growth ranks 116th; the median place changed by -0.5%. The median place of 5,000+ in New York has 10,324 people, so Mamaroneck is 1.9 times that size.
Mamaroneck covers 3.21 square miles of land and 3.41 of water, for 6,163 people per square mile of land. The median New York place of 5,000+ has 3,760, so Mamaroneck is denser than the typical town.
What county Mamaroneck is in
All of Mamaroneck's residents live in Westchester County, which had 1,006,447 residents in 2024. Mamaroneck holds 2.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.
ZIP codes in Mamaroneck
1 ZIP Code Tabulation Area (ZCTA) overlaps Mamaroneck by at least 10% of the ZCTA's or the village's land: 10543. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.
Where Mamaroneck is
The Census internal point of Mamaroneck is at 40.936500, -73.726100. Albany, the capital, is 118.6 miles N in a straight line. The nearest larger place is New Rochelle, NY (85,512 people), 2.9 miles away. The nearest city of 100,000 or more is Yonkers, NY, 7.4 miles away.
Internal point
- Decimal
- 40.936500, -73.726100
- DMS
- 40°56'11.40"N 73°43'33.96"W
- UTM
- 18N 607241.0E 4532489.2N
- Geohash
- dr78fk623
- Plus code
- 87G8W7PF+JH
Daylight in Mamaroneck
At 40.94° N, Mamaroneck gets about 15 h 07 min of daylight around the June solstice and 9 h 14 min around the December solstice, a swing of 5 h 53 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.
Places near Mamaroneck
The eight nearest incorporated places of 1,000+ in New York, measured between internal points. The closest is Larchmont, 1.5 miles away, with 6,640 people.
Questions people ask
What is the population of Mamaroneck, NY?
19,783 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 290 (1.4%) from 20,073 in July 2020.
What county is Mamaroneck in?
Westchester County. All of its residents live in that county.
What ZIP codes cover Mamaroneck?
1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 10543.
How far is Mamaroneck from Albany?
118.6 miles (190.9 km) in a straight line, heading N from Mamaroneck.
What is the nearest larger city to Mamaroneck?
New Rochelle, NY, with 85,512 residents, 2.9 miles away between internal points.
Sources and data as of
Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.