RANKING · 2020 CENSUS · 62 SHOWN OF 62

Largest Welsh population, New York counties · 2020

New York counties ranked by the number of residents who are Welsh ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 62 counties in New York that qualify, ranked against each other statewide.

Welsh Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPWELSH POPULATIONVS 2010

01Oneida County, NYNY226,3925,018−31%

02New York County, NYNY1,664,8624,748−21%

03Monroe County, NYNY750,5064,334−18%

04Erie County, NYNY946,7414,047−22%

05Kings County, NYNY2,653,9633,991+53%

06Onondaga County, NYNY466,5843,342−27%

07Suffolk County, NYNY1,546,0903,178−15%

08Broome County, NYNY195,7362,849−36%

09Nassau County, NYNY1,398,9391,961+12%

10Westchester County, NYNY1,015,7431,895−17%

11Saratoga County, NYNY241,3431,831−6%

12Albany County, NYNY321,2251,813−21%

13Rensselaer County, NYNY160,5101,804+31%

14Madison County, NYNY67,1201,656+2%

15Niagara County, NYNY208,9121,547−13%

16Tompkins County, NYNY104,0471,456+26%

17Herkimer County, NYNY59,2191,395−31%

18Queens County, NYNY2,358,1821,315−21%

19Oswego County, NYNY118,5691,193−3%

20Ulster County, NYNY183,3301,155+3%

21Chemung County, NYNY80,4151,094−22%

22Washington County, NYNY59,3531,094−5%

23Dutchess County, NYNY300,7081,086−24%

24Schenectady County, NYNY162,5811,036+5%

25Orange County, NYNY417,6691,030−34%

26Tioga County, NYNY47,4531,010−18%

27Chautauqua County, NYNY124,1261,004−3%

28Ontario County, NYNY113,130926−25%

29Chenango County, NYNY45,715878−13%

30Jefferson County, NYNY111,540837−3%

31Steuben County, NYNY91,855729−45%

32Cayuga County, NYNY74,365704−16%

33Clinton County, NYNY78,138649+60%

34Wayne County, NYNY91,250648−35%

35St. Lawrence County, NYNY105,488628−22%

36Warren County, NYNY65,020604−39%

37Cattaraugus County, NYNY75,390598−27%

38Otsego County, NYNY60,589569−49%

39Livingston County, NYNY61,438559+7%

40Delaware County, NYNY44,305558−11%

41Cortland County, NYNY45,850518+12%

42Putnam County, NYNY99,028509+4%

43Allegany County, NYNY46,800441−24%

44Rockland County, NYNY357,397434−30%

45Genesee County, NYNY58,416411−14%

46Columbia County, NYNY60,168410−3%

47Richmond County, NYNY501,290397−5%

48Wyoming County, NYNY39,741375−23%

49Franklin County, NYNY46,500374+11%

50Bronx County, NYNY1,406,332344−35%

51Sullivan County, NYNY80,586341−43%

52Essex County, NYNY36,438334−21%

53Fulton County, NYNY52,216333−21%

54Lewis County, NYNY26,479295−22%

55Orleans County, NYNY39,825292−18%

56Schoharie County, NYNY30,176288−25%

57Schuyler County, NYNY16,924265+29%

58Montgomery County, NYNY50,046262+143%

59Yates County, NYNY24,547234−12%

60Seneca County, NYNY32,883213−12%

61Greene County, NYNY47,238128−43%

62Hamilton County, NYNY5,00635−39%

SHOWING 1–62 OF 62

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS