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Areas

New York City, the suburbs & New Jersey

Twenty boroughs and counties, three licensing systems, one phone number. Select an area to see the local rules and the guide for that area.

§ 01

Select an area

Tap an area to see who licenses plumbers there, who issues permits, and what's typical about local buildings.

    NassauManhattanSuffolkSomersetOceanBergenWestchesterMiddlesexPutnamRocklandEssexHudsonBrooklynMonmouthQueensStaten IslandThe BronxUnionMorrisPassaic

    New York City

    New York suburbs

    New Jersey

    Boundaries: U.S. Census Bureau, generalized. Licensing and permit information reviewed November 4, 2026. Rules change, so confirm with the local authority before work starts.

    § 02

    The region by the numbers

    Residents by borough and county, 2020 CensusData
    • NYC boroughs
    • NY suburban counties
    • New Jersey counties
    Bar chart; values are listed in the table view below. 0750,0001.5M2.3M3M Brooklyn: 2,736,074 residents Brooklyn 2,736,074Queens: 2,405,464 residents Queens 2,405,464Manhattan: 1,694,251 residents Manhattan 1,694,251The Bronx: 1,472,654 residents The Bronx 1,472,654Staten Island: 495,747 residents Staten Island 495,747Suffolk: 1,525,920 residents Suffolk 1,525,920Nassau: 1,395,774 residents Nassau 1,395,774Westchester: 1,004,457 residents Westchester 1,004,457Rockland: 338,329 residents Rockland 338,329Putnam: 97,668 residents Putnam 97,668Bergen: 955,732 residents Bergen 955,732Essex: 863,728 residents Essex 863,728Middlesex: 863,162 residents Middlesex 863,162Hudson: 724,854 residents Hudson 724,854Monmouth: 643,615 residents Monmouth 643,615Ocean: 637,229 residents Ocean 637,229Union: 575,345 residents Union 575,345Passaic: 524,118 residents Passaic 524,118Morris: 509,285 residents Morris 509,285Somerset: 345,361 residents Somerset 345,361

    What it shows: About 19.8 million people live in the 20 areas this site covers. Brooklyn and Queens alone are larger than any suburban county, but Long Island (Nassau + Suffolk) together approaches 3 million residents.

    Units
    Residents (people)
    Geography
    5 NYC boroughs, 5 NY suburban counties, 10 NJ counties
    Data period
    April 1, 2020 (Decennial Census)
    Last updated
    November 4, 2026
    Table view
    Residents by borough and county, 2020 Census
    AreaResidents
    Brooklyn2,736,074
    Queens2,405,464
    Manhattan1,694,251
    The Bronx1,472,654
    Staten Island495,747
    Suffolk1,525,920
    Nassau1,395,774
    Westchester1,004,457
    Rockland338,329
    Putnam97,668
    Bergen955,732
    Essex863,728
    Middlesex863,162
    Hudson724,854
    Monmouth643,615
    Ocean637,229
    Union575,345
    Passaic524,118
    Morris509,285
    Somerset345,361