Residential delivery area · New Jersey
ZIP Code 08525: Hopewell, NJ
ZIP code 08525 uses the postal name Hopewell, New Jersey and lies mostly in Mercer County (70% of its land) with the rest in Hunterdon County (Census 2020 ZIP-county file). About 4,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $165,324 (Census Bureau, ACS 2020-2024). By Census place, 3% of its land lies in Hopewell; 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Hopewell · its only residential ZIP
- County
- Mercer County (70%); Hunterdon County (30%)
- Census places
- Hopewell
- Metro area
- Trenton-Princeton, NJ
- House districts
- NJ-12 (70%), NJ-7 (30%) 119th Congress, by share of land
- State
- New Jersey
- Time zone
- Eastern
- Land area
- 22.4 sq mi · 202 people per sq mi
Where is ZIP code 08525?
08525 centers on 40.398°, -74.780° and covers 22.4 square miles of land plus 0.1 of water. It borders 6 ZIP codes: 08558, 08551, 08534, 08540, 08530, 08844.
The map draws ZIP code areas only. For the streets inside 08525, 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 08525 compare with the rest of Mercer County?
| Measure | 08525 | In Mercer County | In NJ |
|---|---|---|---|
| People (ACS 2020-2024) | 4,522 | 21st of 26 | 442nd of 598 |
| Median household income | $165k | 5th of 22 | 83rd of 476 |
| Median home value | $573k | 9th of 22 | 163rd of 515 |
Its median household income is higher than in 98% of U.S. residential ZIP codes, and it is denser than 63% 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 08525?
The 2020 Census counted 4,649 people in 08525; the ACS, which samples households over 2020-2024, estimates 4,522. Between the 2010 and 2020 censuses its population fell 2.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 4,522±571 (90% margin)
- 2020 Census count
- 4,649−2.5% since 2010 (4,767)
- Households
- 1,903
- Median age
- 45.3
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 08525?
Of the 4,522 people the ACS estimates in 08525, 21.2% are under 18 and 16.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.9%).
- Under 1821.2%
- 18 to 6462.1%
- 65 and older16.7%
- White, not Hispanic80.9%
- Hispanic or Latino8.5%
- Other or two or more3.9%
- Black, not Hispanic3.4%
- Asian, not Hispanic3.3%
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 08525 earn?
Median household income is $165,324 (ACS 2020-2024), the 5th highest of the 22 ranked ZIP codes in Mercer County. It is not measurably different from 2015-2019 ($143,179 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $165,324±$29,804
- Income per person
- $82,186
- Below the poverty line
- 2.2%
- Unemployed (of the labor force)
- 1.0%
- Adults 25+ with a bachelor's degree
- 65.1%
- Adjusted gross income per tax return, 2022
- $164,0002,360 returns; wages 65% 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 08525?
FHFA's house price index for 08525, built from repeat sales and appraisals of the same homes, rose 62% from 2015 to 2025 and rose 43% from 2020 to 2025, and moved +0.7% in 2025.
- Median home value (owners' estimate)
- $572,500
- Median gross rent
- $1,835
- Homes owned by their occupants
- 88.1%
- Housing units
- 1,977
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 08525?
142 business establishments had a location in this ZIP code in 2023, 14 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services22
- Other services (except public administration)19
- Retail trade18
- Construction16
- Administrative and support and waste management and remediation services11
- Accommodation and food services11
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 08525?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 08558 | Skillman | 7,648 | $236k | 4.1 mi |
| 08551 | Ringoes | 5,873 | $163k | 4.6 mi |
| 08534 | Pennington | 13,272 | $176k | 4.8 mi |
| 08540 | Princeton | 50,388 | $177k | 6.9 mi |
| 08530 | Lambertville | 8,119 | $121k | 7.1 mi |
| 08844 | Hillsborough | 44,463 | $154k | 9.0 mi |
| 08542 | Princeton | 2,533 | $106k | 6.9 mi (near) |
| 08560 | Titusville | 3,245 | $129k | 7.0 mi (near) |
| 08544 | Princeton | 4,392 | – | 7.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.