Bronx County, New York

A county in New York, ranked 5 of 62 by population.

CountyFIPS 36005

Within New York
Bronx County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Bronx, the county seat, located via the 2025 Census Gazetteer.

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Population
1,406,332
-54,901 (-3.8%) since 2020
Land area
42.2
square miles. A further 26.4% of the total area is water
Population density
33,325
people per square mile, computed rather than published
Seat
Bronx
Bronx County is its own seat.
Established
1914
111 years ago
Largest city
New York city
Population 1,406,332 for the whole place, which extends beyond this county.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Bronx County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Bronx County, New York from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 772 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Bronx County ranks

Position among the 62 counties of New York, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn New YorkNationally
Population1,406,3325th of 6229th of 3,144
Land area42.2 sq mi61st of 623,111th of 3,144
Population density33,325 per sq mi3rd of 623rd of 3,144
Median household income$48,67662nd of 622,846th of 3,143

Full data for Bronx County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population1,406,332Vintage 2025 Population Estimates
Population in 20201,461,233Vintage 2025 Population Estimates
2020 estimates base?1,472,640Vintage 2025 Population Estimates
Land area42.2 sq mi2025 Gazetteer Files
Water area15.2 sq mi2025 Gazetteer Files
Total area57.4 sq mi2025 Gazetteer Files
Population density?33,325 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$48,676American Community Survey 2020-2024 5-Year Estimates
Median home value$529,500American Community Survey 2020-2024 5-Year Estimates
Median age36.0American Community Survey 2020-2024 5-Year Estimates
Households534,100American Community Survey 2020-2024 5-Year Estimates
Housing units559,415American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
+6,220
16,287 births, 10,067 deaths
Net migration
-5,925
More people moved out than moved in.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 5 areas bordering Bronx County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Westchester CountyNew York12 mi1,015,743
Queens CountyNew York8.3 mi2,358,182
New York CountyNew York8.3 mi1,664,862
Nassau CountyNew York4.7 mi1,398,939
Bergen CountyNew Jersey2.6 mi977,026

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

Side by side

All 62 counties of New York

Open the interactive New York county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.