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

There are 48 cities in Jefferson 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.)

CSV JSON

City	Rank	State	2024 Population	2020 Census	Annual Change	Density (mi²)	Area (mi²)
Watertown	1	New York	24,027	24,546	-0.54%	2,660	9.03
Fort Drum	2	New York	17,104	13,034	2.41%	1,193	14.34
Calcium	3	New York	3,696	3,548	1.01%	659	5.61
Gouverneur	4	New York	3,616	3,618	-0.03%	1,650	2.19
Carthage	5	New York	3,247	3,315	-0.52%	1,339	2.42
West Carthage	6	New York	1,749	1,767	-0.29%	1,337	1.31
Clayton	7	New York	1,690	1,733	-0.65%	1,055	1.60
Adams	8	New York	1,674	1,688	-0.24%	1,158	1.45
Sackets Harbor	9	New York	1,361	1,372	-0.22%	590	2.31
Black River	10	New York	1,229	1,260	-0.65%	690	1.78
Philadelphia	11	New York	1,142	1,172	-0.7%	1,192	0.96
Great Bend	12	New York	1,087	1,329	-5.23%	188	5.79
Adams Center	13	New York	1,044	1,000	1.06%	215	4.86
Dexter	14	New York	1,007	1,011	-0.1%	1,512	0.67
Alexandria Bay	15	New York	948	959	-0.32%	1,266	0.75
Brownville	16	New York	937	945	-0.21%	1,502	0.62
Pamelia Center	17	New York	742	441	-1.85%	530	1.40
Theresa	18	New York	742	760	-0.67%	587	1.26
Cape Vincent	19	New York	726	734	-0.27%	1,033	0.70
Lacona	20	New York	666	674	-0.3%	599	1.11
Copenhagen	21	New York	660	663	-0.15%	559	1.18
Evans Mills	22	New York	619	625	-0.32%	758	0.82
Sandy Creek	23	New York	619	625	-0.32%	459	1.35
Chaumont	24	New York	594	608	-0.67%	604	0.98
Antwerp	25	New York	510	516	-0.39%	508	1
Hailesboro	26	New York	483	776	-12.97%	103	4.70
Glen Park	27	New York	444	446	-0.22%	622	0.71
Felts Mills	28	New York	409	451	-2.39%	698	0.59
La Fargeville	29	New York	327	733	-23.6%	99	3.31
Redwood	30	New York	324	483	3.19%	165	1.97
Pierrepont Manor	31	New York	322	416	-6.67%	416	0.77
Mannsville	32	New York	319	322	-0.31%	356	0.90
Belleville	33	New York	299	279	1.7%	454	0.66
Hammond	34	New York	283	285	-0.35%	483	0.59
Depauville	35	New York	270	224	-17.93%	27	9.82
Richville	36	New York	260	267	-0.76%	352	0.74
Deferiet	37	New York	254	258	-0.39%	376	0.68
Henderson	38	New York	240	236	0.42%	457	0.53
Rodman	39	New York	233	142	9.39%	1,465	0.16
Thousand Island Park	40	New York	224	155	1.82%	754	0.30
Ellisburg	41	New York	213	215	-0.47%	213	1
Plessis	42	New York	196	370	-15.15%	566	0.35
Lorraine	43	New York	146	55	12.31%	298	0.49
Natural Bridge	44	New York	130	228	-15.58%	101	1.28
Oxbow	45	New York	114	122	-1.72%	282	0.40
Fishers Landing	46	New York	46	76	-8%	102	0.45
Herrings	47	New York	0	132	0%	0	0.15
Three Mile Bay	48	New York	0	182	0%	0	0.28

showing: 48 rows

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 Jefferson County, New York?

Watertown is the largest city in Jefferson County.

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

Three Mile Bay is the smallest city in Jefferson County.

How many cities are in Jefferson County?

There are 48 cities in Jefferson County, New York.

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

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

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

How many cities are in Jefferson County?

Frequently Asked Questions