Residential delivery area · New Jersey
ZIP Code 08530: Lambertville, NJ
ZIP code 08530 uses the postal name Lambertville, New Jersey and lies mostly in Hunterdon County (81% of its land) with the rest in Mercer County (Census 2020 ZIP-county file). About 8,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $120,467 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in Lambertville; 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lambertville · its only residential ZIP
- County
- Hunterdon County (81%); Mercer County (19%)
- Census places
- Lambertville
- Metro area
- New York-Newark-Jersey City, NY-NJ
- House districts
- NJ-7 (81%), NJ-12 (19%) 119th Congress, by share of land
- State
- New Jersey
- Time zone
- Eastern
- Land area
- 27.1 sq mi · 299 people per sq mi
Where is ZIP code 08530?
08530 centers on 40.370°, -74.910° and covers 27.1 square miles of land plus 0.6 of water. It borders 7 ZIP codes: 08560, 18938, 08559, 18977, 08551, 08534, 08525.
The map draws ZIP code areas only. For the streets inside 08530, 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 08530 compare with the rest of Hunterdon County?
| Measure | 08530 | In Hunterdon County | In NJ |
|---|---|---|---|
| People (ACS 2020-2024) | 8,119 | 7th of 26 | 349th of 598 |
| Median household income | $121k | 17th of 20 | 202nd of 476 |
| Median home value | $575k | 6th of 24 | 161st of 515 |
Its median household income is higher than in 91% of U.S. residential ZIP codes, and it is denser than 67% 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 08530?
The 2020 Census counted 7,832 people in 08530; the ACS, which samples households over 2020-2024, estimates 8,119. Between the 2010 and 2020 censuses its population fell 3.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 8,119
- 2020 Census count
- 7,832−3.0% since 2010 (8,071)
- Households
- 3,596
- Median age
- 53.3
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 08530?
Of the 8,119 people the ACS estimates in 08530, 11.8% are under 18 and 24.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (79.3%), then Hispanic or Latino (10.2%).
- Under 1811.8%
- 18 to 6463.4%
- 65 and older24.8%
- White, not Hispanic79.3%
- Hispanic or Latino10.2%
- Black, not Hispanic5.1%
- Other or two or more3.4%
- Asian, not Hispanic2.0%
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 08530 earn?
Median household income is $120,467 (ACS 2020-2024), the 17th highest of the 20 ranked ZIP codes in Hunterdon County. It is not measurably different from 2015-2019 ($116,982 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $120,467±$19,468
- Income per person
- $82,506
- Below the poverty line
- 2.7%
- Unemployed (of the labor force)
- 4.8%
- Adults 25+ with a bachelor's degree
- 59.4%
- Adjusted gross income per tax return, 2022
- $145,7953,860 returns; wages 62% 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 08530?
FHFA's house price index for 08530, built from repeat sales and appraisals of the same homes, rose 61% from 2015 to 2025 and rose 40% from 2020 to 2025, and moved +0.7% in 2025.
- Median home value (owners' estimate)
- $574,800
- Median gross rent
- $1,776
- Homes owned by their occupants
- 80.8%
- Housing units
- 3,815
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 08530?
252 business establishments had a location in this ZIP code in 2023, 7 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services48
- Retail trade33
- Accommodation and food services32
- Construction26
- Other services (except public administration)22
- Health care and social assistance19
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 08530?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 08560 | Titusville | 3,245 | $129k | 4.7 mi |
| 18938 | New Hope, PA | 13,649 | $185k | 4.8 mi |
| 08559 | Stockton | 4,836 | $180k | 6.1 mi |
| 18977 | Washington Crossing, PA | 4,569 | $212k | 6.2 mi |
| 08551 | Ringoes | 5,873 | $163k | 6.6 mi |
| 08534 | Pennington | 13,272 | $176k | 6.8 mi |
| 08525 | Hopewell | 4,522 | $165k | 7.1 mi |
| 18933 | Lumberville, PA | 105 | $226k | 7.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.