ZIP code 08831
Where is ZIP code 08831?
Monroe Township, New Jersey
Middlesex County · Standard ZIP code
ZIP code 08831 belongs to Monroe Township, New Jersey in Middlesex County. 08831 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 609, 640, 732 and 848. About 55,658 people live in the 08831 area, where the median household income is $109,042. The closest ZIP codes are 08828 (Helmetta, 3.2 mi north), 08884 (Spotswood, 4 mi north) and 08512 (Cranbury, 5.1 mi west).
| ZIP code | 08831 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Monroe Township |
| Also accepted | Jamesburg, Monroe, Monroe Twp |
| State | New Jersey (NJ) |
| County | Middlesex County |
| Time zone | Eastern Time · now |
| Area codes | 609, 640, 732, 848 |
| Coordinates | 40.3312, -74.417 map |
| 3-digit prefix | 088 |
Population and income in 08831
| Population | 55,658 · higher than 97% of New Jersey ZIP codes |
|---|---|
| People per square mile | 1,085 · lower than 63% of New Jersey ZIP codes |
| Median age | 54.8 years · higher than 93% of New Jersey ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $109,042 · lower than 54% of New Jersey ZIP codes |
| Income per person | $67,012 |
| Below the poverty line | 3.6% |
| Bachelor’s degree or higher | 52% of adults 25+ |
| Median home value | $516,800 · higher than 63% of New Jersey ZIP codes |
| Median rent | $2,014 a month |
| Housing units | 24,806 |
| Households | 24,083 (2.29 people on average) |
| Owners / renters | 90% / 10% |
| Land area | 51.3 sq mi (plus 0.46 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 08831. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 08831
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 08828 | Helmetta, NJ | 3.2 mi N | Standard |
| 08884 | Spotswood, NJ | 4 mi N | Standard |
| 08512 | Cranbury, NJ | 5.1 mi W | Standard |
| 07726 | Englishtown, NJ | 5.2 mi SE | Standard |
| 07763 | Tennent, NJ | 5.6 mi SE | PO Box only |
| 08810 | Dayton, NJ | 6.1 mi NW | Standard |
| 08816 | East Brunswick, NJ | 6.7 mi N | Standard |
| 08857 | Old Bridge, NJ | 6.7 mi NE | Standard |
| 08818 | Edison, NJ | 6.8 mi N | PO Box only |
| 08855 | Piscataway, NJ | 6.8 mi N | PO Box only |
| 08862 | Perth Amboy, NJ | 6.8 mi N | PO Box only |
| 08871 | Sayreville, NJ | 6.8 mi N | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 08831 or measure the distance to another ZIP code.
How to address mail to 08831
123 MAIN ST
MONROE TOWNSHIP NJ 08831
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts JAMESBURG, MONROE and MONROE TWP as the city name for 08831. Adding the 4-digit ZIP+4 code (08831-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 08831?
- 08831 is a Monroe Township, New Jersey ZIP code. Jamesburg, Monroe and Monroe Twp are also accepted as the city name.
- What county is 08831 in?
- ZIP code 08831 is in Middlesex County, New Jersey.
- What time zone is ZIP code 08831 in?
- 08831 is in the Eastern Time zone (America/New_York).
- What area code is 08831?
- Phone numbers in ZIP code 08831 use area codes 609, 640, 732 and 848.
- What is the population of ZIP code 08831?
- About 55,658 people live in ZIP code 08831, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 08831?
- The median household income in 08831 is $109,042 a year, lower than 54% of New Jersey ZIP codes.
- What ZIP codes are near 08831?
- The nearest ZIP codes to 08831 are 08828 (Helmetta, 3.2 miles), 08884 (Spotswood, 4 miles), 08512 (Cranbury, 5.1 miles) and 07726 (Englishtown, 5.2 miles).