Cities in Putnam County, New York by Population (2024)

There are 18 cities in Putnam County, New York.

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

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City	Rank	State	2024 Population	2020 Census	Annual Change	Density (mi²)	Area (mi²)
Jefferson Valley-Yorktown	1	New York	13,880	13,786	-0.69%	1,995	6.96
Mahopac	2	New York	8,634	8,914	-0.8%	1,409	6.13
Lake Carmel	3	New York	7,891	8,287	-1.24%	1,510	5.22
Carmel	4	New York	7,679	6,841	2.81%	832	9.23
Lake Mohegan	5	New York	6,095	5,781	1.31%	2,111	2.89
Putnam Lake	6	New York	3,709	3,943	-1.54%	815	4.55
Shrub Oak	7	New York	2,910	3,094	-1.56%	1,844	1.58
Brewster Hill	8	New York	2,562	2,574	-0.12%	2,945	0.87
Brewster	9	New York	2,512	2,506	0.08%	5,116	0.49
Brinckerhoff	10	New York	2,501	2,537	-0.36%	1,421	1.76
Cold Spring	11	New York	2,008	1,988	0.25%	3,380	0.59
Brewster Heights	12	New York	1,420	1,067	5.89%	2,694	0.53
Chelsea Cove	13	New York	1,357	1,427	4.79%	8,812	0.15
Lincolndale	14	New York	1,027	1,407	-8.47%	1,066	0.96
Hopewell Junction	15	New York	923	725	5.73%	1,244	0.74
Peach Lake	16	New York	766	1,932	-27.53%	333	2.30
Nelsonville	17	New York	641	623	0.79%	620	1.03
Shorehaven	18	New York	330	462	-9.09%	241	1.37

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Putnam County, New York?

Jefferson Valley-Yorktown is the largest city in Putnam County.

What is the smallest city in Putnam County, New York?

Shorehaven is the smallest city in Putnam County.

How many cities are in Putnam County?