Bordering states
New Jersey vs New York
Short answer
- NJ
- 9,500,851
- NY
- 19,867,248
The two states, county by county
Both maps share one density scale, so the same shade means the same number of people per square mile on either side of the border. Darker counties are denser. Select a county to open its page.
New Jersey
New York
- < 72
- < 117
- < 373
- < 1,383
- ≥ 1,383
Residents, 2024
- 01New Jersey9,500,851
- 02New York19,867,248
Land, square miles
- 01New Jersey7,355
- 02New York47,123
People per square mile
- 01New Jersey1,291.8
- 02New York421.6
Median county household income
- 01New Jersey$96,965
- 02New York$68,571
Side by side
| Measure | New Jersey | New York |
|---|---|---|
| Residents, 2024 | 9,500,851 | 19,867,248 |
| Rank by population | 11th | 4th |
| Land, sq mi | 7,355 | 47,123 |
| People per sq mi | 1,291.8 | 421.6 |
| County-equivalents | 21 | 62 |
| Median county residents | 475,515 | 85,936 |
| Median county income | $96,965 | $68,571 |
| Most populous county | Bergen County | Kings County |
| Largest county by land | Burlington County | St. Lawrence County |
| Capital | Trenton | Albany |
| Daylight at capital, June 21 | 15 h 02 min | 15 h 19 min |
| Census division | Middle Atlantic | Middle Atlantic |
Population and density
New York has 19,867,248 residents, 2.1 times New Jersey's 9,500,851. New Jersey ranks 11th and New York 4th of the 50 states and DC. New Jersey is the more crowded, with 1,291.8 people per square mile against 421.6, 3.1 times.
Land area
New York has 47,123 square miles of land, 6.4 times New Jersey's 7,355. The largest county-equivalent in New Jersey is Burlington County at 799 square miles; in New York it is St. Lawrence County at 2,680.
Counties
New York is divided into 62 county-equivalents and New Jersey into 21, so an average New York county covers 760 square miles against 350. The typical county in New Jersey has 475,515 residents, against 85,936 in New York. The most populous are Bergen County (978,641) and Kings County (2,617,631).
2 county names appear on both sides of the border: Essex, Warren. Use the FIPS code, not the name, when joining data across the two states.
Household income
The median county in New Jersey has a household income of $96,965, 41% above New York's $68,571. The highest county incomes are Somerset County ($140,242) in New Jersey and Nassau County ($140,466) in New York, from SAIPE 2023.
Capitals and daylight
Trenton and Albany are 176 miles apart in a straight line; from Trenton the initial bearing is 17°, NNE. On June 21, 2026, Trenton gets 15 h 02 min of daylight and Albany 15 h 19 min; on December 21 the figures are 9 h 18 min and 9 h 03 min. Month by month tables are on the Trenton and Albany daylight pages.
Where they sit
Both are in the Census Middle Atlantic division of the Northeast region. By county internal points, New Jersey spans 1 UTM zone and New York 2.
Questions people ask
Which is bigger, New Jersey or New York?
New York, with 47,123 square miles of land against 7,355, 6.41 times as large.
Which has more people, New Jersey or New York?
New York has 19,867,248 residents, 2.1 times New Jersey's 9,500,851.
How far is Trenton from Albany?
176 miles in a straight line, heading NNE (17°) from Trenton.
Do New Jersey and New York have counties with the same name?
Yes, 2: Essex, Warren.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Bureau regions and divisions of the United States (last verified 2026-09-30)
How every number is computed: methodology. Spotted a wrong figure? Report an error.