Hudson County, NJ vs Kings County, NY
Neighbouring counties across the New Jersey and New York state line, compared on population, size, income and housing. They share 2.6 mi of border.
Hudson County
New Jersey
Kings County
New York
Both outlines are drawn at true relative size. Hudson County spans about 22.1 km at its widest.
Side by side
| Measure | Hudson County | Difference | Kings County |
|---|---|---|---|
| Population | 735,033 | -72.3% | 2,653,963 |
| Change since 2020 | 1.8% | +4.3 pp | -2.5% |
| Land area | 46.2 sq mi | -33.4% | 69.4 sq mi |
| Population density | 15,912 per sq mi | -58.4% | 38,254 per sq mi |
| Median household income | $91,795 | +14.4% | $80,263 |
| Median home value | $539,700 | -40.4% | $905,000 |
| Median age | 35.8 | -1.9% | 36.5 |
| Households | 299,682 | -70.3% | 1,009,927 |
| Housing units | 320,959 | -70.8% | 1,100,772 |
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; US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. The difference column is computed here: the first county's figure against the second, expressed as a percentage of the second. The change-since-2020 row is the exception: two growth rates differ in percentage points (pp), not percent. Retrieved 30 August 2026.
What the numbers say
- Kings County holds about 3.6 times the population of Hudson County: 2,653,963 against 735,033.
- Kings County covers more ground, at 69.4 square miles against 46.2.
- Kings County is the more crowded of the two, at 38,254 people per square mile against 15,912.
- Median household income is higher in Hudson County, by 11,532 dollars a year.
- Since 2020, Hudson County has grown by 1.8% and Kings County has shrunk by 2.5%.
- They share 2.6 mi of common border, which the Census Bureau publishes in its county adjacency file and which almost no other county reference presents.
Full pages
Want a different pair? Compare any two of the 3,144 US counties.
Rebuilt from source data 30 August 2026. How these figures are produced.