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What are the fastest-growing counties in New York?

Rockland County (+5.9%), Orange County (+4.2%) and Otsego County (+3.8%) grew fastest in New York between 2020 and 2025.

New York as a whole shrank 0.6% between 2020 and 2025, to 20,002,427 residents.

Data as of 2025 · updated

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All 62 New York counties ranked

New York counties by population growth
RankCountyResidents 2025Change 2020–25Net migration per 1,000, 2025New homes per 1,000, 2025
1Rockland County357,397+5.9%−11.01.2
2Orange County417,669+4.2%−3.44.0
3Otsego County60,589+3.8%0.72.1
4Schenectady County162,581+3.0%2.20.7
5Sullivan County80,586+2.7%−9.37.0
6Saratoga County241,343+2.3%5.93.7
7Albany County321,225+2.2%0.82.1
8Suffolk County1,546,090+1.6%−2.80.9
9Dutchess County300,708+1.5%2.61.8
10Westchester County1,015,743+1.4%−1.81.0
11Putnam County99,028+1.4%−1.20.7
12Schoharie County30,176+1.4%1.61.2
13Richmond County501,290+1.2%−1.81.0
14Ulster County183,330+1.1%1.62.4
15Montgomery County50,046+1.1%10.22.1
16Oswego County118,569+1.0%3.81.3
17Allegany County46,800+0.9%1.02.1
18Ontario County113,130+0.6%5.04.1
19Nassau County1,398,939+0.6%−3.70.6
20Delaware County44,305+0.2%1.72.4
21Genesee County58,416+0.2%2.91.7
22Wayne County91,250+0.1%1.74.5
23Livingston County61,438−0.2%2.61.3
24Rensselaer County160,510−0.2%1.92.1
25Lewis County26,479−0.3%−0.65.0
26Orleans County39,825−0.6%−1.80.9
27Erie County946,741−0.6%−2.41.3
28Yates County24,547−0.8%2.13.5
29Warren County65,020−0.9%−0.73.7
30Monroe County750,506−1.0%−2.01.0
31Greene County47,238−1.1%1.73.0
32Queens County2,358,182−1.1%−16.31.4
33Madison County67,120−1.2%−0.12.8
34Broome County195,736−1.2%−0.71.6
35Wyoming County39,741−1.3%−1.91.8
36New York County1,664,862−1.3%−10.11.8
37Hamilton County5,006−1.3%−5.68.0
38Herkimer County59,219−1.4%1.40.9
39Tompkins County104,047−1.4%−9.64.5
40Niagara County208,912−1.5%−0.31.3
41Franklin County46,500−1.6%−7.23.1
42Steuben County91,855−1.6%−0.11.1
43Fulton County52,216−1.6%5.61.6
44Seneca County32,883−1.7%5.81.8
45Tioga County47,453−1.9%0.73.2
46Onondaga County466,584−1.9%−6.23.6
47Cortland County45,850−1.9%−4.20.8
48Clinton County78,138−2.0%5.42.4
49Cattaraugus County75,390−2.1%1.72.0
50Oneida County226,392−2.1%−3.71.1
51Columbia County60,168−2.1%−1.11.8
52Essex County36,438−2.2%4.65.2
53Cayuga County74,365−2.3%−2.61.5
54St. Lawrence County105,488−2.5%−6.42.1
55Kings County2,653,963−2.5%−14.62.6
56Chautauqua County124,126−2.6%−2.71.4
57Chenango County45,715−2.9%2.71.2
58Washington County59,353−2.9%−6.11.4
59Bronx County1,406,332−3.8%−13.34.3
60Chemung County80,415−3.9%−2.21.2
61Jefferson County111,540−3.9%−18.02.6
62Schuyler County16,924−5.3%−6.13.2

Ranked by the change in Census Bureau population estimates, 2020–2025.

Statewide totals

More county rankings for New York

Metro areas

Fastest-growing metro areas in New York · Fastest-growing metro areas in the U.S. · Largest metro areas in New York

Every U.S. metro and micro area

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Questions

Is New York growing?

New York as a whole shrank 0.6% between 2020 and 2025, to 20,002,427 residents. Statewide figures add up its counties.

What is the fastest-growing county in New York?

Rockland County, which grew 5.9% between 2020 and 2025 to 357,397 residents (Census Bureau population estimates). Orange County (+4.2%) and Otsego County (+3.8%) came next.

Which New York counties are losing population?

40 of the 62 ranked counties had fewer residents in 2025 than in 2020. The steepest declines: Schuyler County (−5.3%), Jefferson County (−3.9%), Chemung County (−3.9%).

Where are people moving in New York?

For their size, Montgomery County (10.2 per 1,000 residents), Saratoga County (5.9 per 1,000 residents) and Seneca County (5.8 per 1,000 residents) drew the most net domestic migration (people moving in from other U.S. counties minus people moving out) in 2025.

Fastest-growing counties in other states

Across the U.S.

Sources and method

Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.