New York County area

Population and density of New York County

The Census Bureau estimates that 1,664,862 people lived in New York County on July 1, 2025. That ranks #21 of 3,222 county equivalents nationally and #3 of 62 in New York. Since the April 1, 2020 estimates base of 1,694,984, the population has declined by 30,122 (−1.8%), compared with −1% for New York as a whole.

With 22.7 square miles of land, that is 73,478 people per square mile (28,370 per km²), placing New York County #1 nationally for density and #1 in New York. The median county equivalent has 47 people per square mile; the New York median is 112. Put another way, there are about 0.009 acres of land per resident.

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in New York County

Every resident of New York County lives within New York city, which spans 5 county equivalents. New York County holds 1,664,862 of the city’s residents.

Metropolitan area

New York County is a central county of the New York-Newark-Jersey City, NY-NJ Metropolitan Statistical Area, in the New York-Jersey City-White Plains, NY-NJ metropolitan division. Its 22 county equivalents have 20,112,448 residents on 6,139.7 square miles of land; New York County accounts for 0.4% of the land and 8.3% of the residents. By combined land it ranks #34 of 393 metropolitan areas, and #1 by population. It belongs to the New York-Newark, NY-NJ-CT-PA Combined Statistical Area.

ZIP codes

70 ZIP Code Tabulation Areas have land in New York County; 69 of them have most of their land inside the county, and the others mainly cover neighboring areas.

10001100021000310004100051000610007100091001010011100121001310014100161001710018100191002010021100221002310024100251002610027100281002910030100311003210033100341003510036100371003810039100401004410065100691007510103101101011110112101151011910128101521015310154101621016510167101681016910170101711017210173101741017710199102711027810279102801028210463

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering New York County

New York County shares a land border with 5 county equivalents, including 2 in New Jersey. Each of them has more land than New York County. The largest neighbor is Bergen County (232.8 mi²) and the smallest is Bronx County (42.2 mi²). Together with its neighbors, New York County forms a block of 522 mi² of land, of which it holds 4.3%.

How big is New York County compared with U.S. states?

New York County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 46 times as much. New York’s county land could hold about 2,080 areas the size of New York County.

Another way to picture it: the same land area would fill a square about 4.76 miles (7.7 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about New York County?

New York County has more land than 37 of the other 3,221 county equivalents in the dataset.

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places New York County at #3,180 nationally by total area, 5 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.

Its water share is 33.1%, compared with a national county-equivalent median of 1.2% — 31.9 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside New York County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.