New York Citizen Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen population for New York was 17,625,645 and represented 89.59% of the total New York population.

Among all New York counties, Kings had the highest citizen population (2.17M), followed by Queens (1.81M), and Suffolk (1.39M).

In terms of percentages, Tioga had the highest percentage of its population being citizens (99.44%), followed by Seneca (99.35%), and Cortland (99.32%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

You can see similar information for other states and by state for the United States.

See this for other years:
New York Citizen Population By County in 2015
New York Citizen Population By County in 2015
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County Citizen Population % of County Population
Kings 2175465 83.83
Queens 1806225 78.49
Suffolk 1389290 92.54
New York 1381745 84.80
Nassau 1241845 91.68
Bronx 1164070 81.50
Erie 890275 96.60
Westchester 845180 87.37
Monroe 721760 96.32
Onondaga 450785 96.26
Richmond 437010 92.49
Orange 356850 95.06
Albany 295510 96.11
Rockland 291540 90.91
Dutchess 281880 94.93
Oneida 224450 96.10
Saratoga 218415 97.61
Niagara 210690 98.38
Broome 192780 97.32
Ulster 174820 96.43
Rensselaer 156445 97.84
Schenectady 149350 96.48
Chautauqua 131285 98.98
Oswego 120190 99.18
Jefferson 116635 98.06
St. Lawrence 109550 97.80
Ontario 107385 98.35
Steuben 97495 98.81
Putnam 94830 95.32
Tompkins 94680 91.17
Wayne 91695 99.22
Chemung 87255 98.86
Clinton 79745 97.63
Cayuga 78280 98.87
Cattaraugus 78245 99.09
Sullivan 72770 95.34
Madison 71690 98.99
Warren 64220 98.53
Livingston 63905 98.62
Herkimer 63455 99.09
Washington 62150 99.12
Otsego 60545 98.61
Columbia 60370 97.07
Genesee 58835 98.95
Fulton 54070 99.02
Franklin 50350 98.19
Tioga 49920 99.44
Chenango 49155 99.20
Montgomery 49145 98.72
Cortland 48710 99.32
Allegany 47515 98.85
Greene 47230 97.76
Delaware 46235 98.58
Orleans 41425 98.15
Wyoming 41030 99.00
Essex 37990 97.64
Seneca 34915 99.35
Schoharie 31645 99.15
Lewis 26825 98.89
Yates 24890 98.83
Schuyler 18280 99.29
Hamilton 4715 99.06