Residential delivery area · New Jersey
ZIP Code 08559: Stockton, NJ
ZIP code 08559 uses the postal name Stockton, New Jersey and lies entirely in Hunterdon County (Census 2020 ZIP-county file). About 4,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $179,600 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Stockton; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Stockton · its only residential ZIP
- County
- Hunterdon County
- Census places
- Stockton
- Metro area
- New York-Newark-Jersey City, NY-NJ
- House district
- NJ-7 119th Congress
- State
- New Jersey
- Time zone
- Eastern
- Land area
- 39.8 sq mi · 121 people per sq mi
Where is ZIP code 08559?
08559 centers on 40.439°, -74.984° and covers 39.8 square miles of land plus 0.7 of water. It borders 7 ZIP codes: 18933, 18950, 08825, 08530, 18938, 08551, 08822.
The map draws ZIP code areas only. For the streets inside 08559, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 08559 compare with the rest of Hunterdon County?
| Measure | 08559 | In Hunterdon County | In NJ |
|---|---|---|---|
| People (ACS 2020-2024) | 4,836 | 15th of 26 | 433rd of 598 |
| Median household income | $180k | 4th of 20 | 57th of 476 |
| Median home value | $561k | 8th of 24 | 169th of 515 |
Its median household income is higher than in 98% of U.S. residential ZIP codes, and it is denser than 57% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 08559?
The 2020 Census counted 5,009 people in 08559; the ACS, which samples households over 2020-2024, estimates 4,836. Between the 2010 and 2020 censuses its population grew 0.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 4,836±505 (90% margin)
- 2020 Census count
- 5,009+0.5% since 2010 (4,982)
- Households
- 2,052
- Median age
- 56.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 08559?
Of the 4,836 people the ACS estimates in 08559, 11.9% are under 18 and 33.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (87.9%).
- Under 1811.9%
- 18 to 6454.3%
- 65 and older33.8%
- White, not Hispanic87.9%
- Hispanic or Latino7.1%
- Other or two or more3.8%
- Asian, not Hispanic1.0%
- Black, not Hispanic0.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 08559 earn?
Median household income is $179,600 (ACS 2020-2024), the 4th highest of the 20 ranked ZIP codes in Hunterdon County. It rose from $141,327 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $179,600±$21,692
- Income per person
- $102,119
- Below the poverty line
- 1.8%
- Unemployed (of the labor force)
- 1.4%
- Adults 25+ with a bachelor's degree
- 63.6%
- Adjusted gross income per tax return, 2022
- $162,7742,460 returns; wages 53% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 08559?
FHFA's house price index for 08559, built from repeat sales and appraisals of the same homes, rose 83% from 2015 to 2025 and rose 60% from 2020 to 2025, and moved +11.0% in 2025.
- Median home value (owners' estimate)
- $560,600
- Median gross rent
- $1,592
- Homes owned by their occupants
- 97.0%
- Housing units
- 2,200
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 08559?
95 business establishments had a location in this ZIP code in 2023, 6 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction27
- Administrative and support and waste management and remediation services14
- Professional, scientific, and technical services12
- Retail trade10
- Other services (except public administration)7
- Accommodation and food services6
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 08559?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 18933 | Lumberville, PA | 105 | $226k | 3.9 mi |
| 18950 | Point Pleasant, PA | 262 | $226k | 4.4 mi |
| 08825 | Frenchtown | 4,735 | $102k | 5.7 mi |
| 08530 | Lambertville | 8,119 | $121k | 6.1 mi |
| 18938 | New Hope, PA | 13,649 | $185k | 6.1 mi |
| 08551 | Ringoes | 5,873 | $163k | 7.7 mi |
| 08822 | Flemington | 32,556 | $138k | 8.4 mi |
| 18913 | Carversville, PA | 243 | – | 6.0 mi (near) |
| 18920 | Erwinna, PA | 393 | $153k | 6.6 mi (near) |
| 18947 | Pipersville, PA | 6,477 | $141k | 7.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.