Nassau County, New York Cities (2025)

72 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Hempstead1796,559790,4240.53%6,721119 Town
Oyster Bay2300,314300,2940.26%2,899104 Town
North Hempstead3238,887236,8340.5%4,46254 Town
Hempstead459,74358,8710.29%16,1864 Village
Freeport543,96444,282-0.15%9,0935 Village
Valley Stream640,16540,500-0.17%11,5483 Village
Long Beach734,77134,801-0.02%15,6772 City
Glen Cove828,05228,231-0.13%4,2137 City
Rockville Centre925,67325,895-0.17%7,8973 Village
Garden City1023,04522,7820.23%4,3255 Village
Mineola1121,41920,8490.54%11,5722 Village
Lynbrook1220,76620,3550.4%10,3162 Village
Massapequa Park1316,88917,052-0.2%7,7052 Village
Floral Park1415,92616,124-0.25%11,2081 Village
Westbury1515,88615,8100.09%6,7772 Village
Woodbury1612,15812,186-0.16%33736 Town
Woodbury1711,52411,5180.01%32436 Village
Great Neck1811,06711,105-0.07%8,3591 Village
New Hyde Park1910,20610,276-0.14%12,0351 Village
East Rockaway2010,05810,087-0.06%9,8801 Village
Farmingdale218,5788,4530.29%7,8411 Village
Malverne228,4448,542-0.24%7,9811 Village
Great Neck Plaza237,9187,4451.2%25,4600 Village
Williston Park247,4877,565-0.21%11,9601 Village
Cedarhurst257,3177,351-0.1%10,8401 Village
East Hills267,3087,2420.18%3,2072 Village
Manorhaven277,0076,9570.14%14,9400 Village
Lawrence286,8116,7910.06%1,8324 Village
Bayville296,7316,771-0.12%4,6261 Village
Kings Point305,6975,6120.3%1,6963 Village
North Hills315,4215,450-0.11%1,9663 Village
Old Westbury325,1144,2933.31%5979 Village
Island Park335,0374,9450.36%11,3190 Village
Sea Cliff345,0145,061-0.2%4,4971 Village
Flower Hill354,8504,7800.29%3,0092 Village
Muttontown363,5393,4830.31%5846 Village
Great Neck Estates373,1632,9321.48%4,1291 Village
Port Washington North383,1393,171-0.22%6,5530 Village
Roslyn393,0522,9000.99%4,7321 Village
Brookville402,9152,959-0.31%7394 Village
Lake Success412,8322,8200.07%1,5312 Village
Munsey Park422,7722,800-0.22%5,3721 Village
Sands Point432,7522,7040.33%6524 Village
Thomaston442,7262,754-0.22%6,7480 Village
East Williston452,6062,639-0.27%4,5801 Village
Oyster Bay Cove462,2572,2540%5394 Village
Old Brookville472,1042,0840.19%5284 Village
Laurel Hollow481,9451,9420%6583 Village
Stewart Manor491,9141,937-0.26%9,4750 Village
Lattingtown501,8701,892-0.27%4994 Village
Upper Brookville511,7711,7700%4124 Village
South Floral Park521,7521,7370.17%18,0620 Village
Lawrence531,7271,717-0.29%3648 Town
Atlantic Beach541,7151,7050.12%3,9070 Village
Plandome551,4871,4340.68%3,0220 Village
Roslyn Estates561,3311,3090.3%3,0460 Village
Hewlett Harbor571,3211,335-0.23%1,8221 Village
Kensington581,2051,2000.08%4,7440 Village
Roslyn Harbor591,1101,0680.73%9321 Village
Baxter Estates601,0091,023-0.3%5,5440 Village
Plandome Heights611,0091,012-0.1%5,5750 Village
Saddle Rock621,0099860.4%3,9880 Village
Mill Neck631,0051,019-0.3%3843 Village
Russell Gardens64936945-0.21%5,3790 Village
Woodsburgh65879884-0.11%2,6010 Village
Matinecock66853858-0.12%3203 Village
Plandome Manor678247960.61%1,5201 Village
Baldwin68772812-0.9%3026 Town
Hewlett Neck695705500.71%2,9230 Village
Hewlett Bay Park704764690.21%1,4080 Village
Centre Island71394398-0.25%3611 Village
Cove Neck72292295-0.34%2271 Village

Nassau County Cities Summary

Largest City

Hempstead is the largest city in Nassau County, with a population of 796,559.

Smallest City

Cove Neck is the smallest city in Nassau County, with a population of 292.

10 Largest Cities

There are 72 cities in Nassau County, New York.

Location of Nassau County