ZIP codes
3
Princeton, NJ Demographics & ZIP Codes
Princeton, New Jersey demographics and median household income by ZIP code (in Mercer County) — 3 ZIP codes — population 56,462 — median income $137,296 — avg. home value $739,100. Compare income, housing, and population across ZIP codes on US5.
Population
56,462
Median household income (avg.)
$137,296
183% of U.S. median
Average home value
$739,100
212% of U.S. median
Average rent
$2,110
181% of U.S. median
Median age (avg.)
34.1
Princeton demographics
Princeton, New Jersey covers 3 ZIP codes primarily in Mercer County, with a combined ZIP-area population of about 56,462.
Across ZIP codes with age data, the average median age is about 34.1 years.
Median household income in Princeton
The average median household income across ZIP codes in Princeton, New Jersey is about $137,296 — about 16% above the NJ ZIP average ($118,570), and about 83% above the U.S. median ($75,149).
Among ZIPs with income data, 08540 is near the top at about $169,898, while 08542 is near the bottom at about $104,694.
Housing in Princeton
For housing in Princeton, New Jersey, the average median home value is about $739,100 and the average median rent is about $2,110.
The most populous ZIP in this set is 08540 (about 49,499 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Princeton
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 08540 | Princeton | Mercer County | NJ | 49,499 | $169,898 | $723,400 |
| 08544 | Princeton | Mercer County | NJ | 4,548 | — | — |
| 08542 | Princeton | Mercer County | NJ | 2,415 | $104,694 | $754,800 |
Frequently asked questions
What are the demographics of Princeton?
Princeton, New Jersey has a combined ZIP-area population of about 56,462 across 3 ZIP codes (primarily Mercer County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Princeton?
The average median household income across ZIP codes in Princeton, New Jersey is about $137,296, about 16% above the state ZIP average ($118,570), and about 83% above the U.S. median ($75,149). Average median home value is about $739,100. Among ZIPs with data, 08540 is near the top ($169,898) and 08542 is near the bottom ($104,694).
How many ZIP codes are in Princeton?
Princeton, New Jersey includes 3 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Princeton?
This page lists ZIP codes in Princeton, New Jersey with population, median household income, and home value. Select a ZIP for a full demographics profile.