Zip Code 08865
Phillipsburg, New Jersey — Warren County
📍 ZIP code 08865 is in Phillipsburg, Warren County, New Jersey.
ZIP code 08865 is located in Phillipsburg, Warren County, New Jersey. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 31,078. The area code for ZIP code 08865 is 732.
Quick Answer
Zip code 08865 is in Phillipsburg, New Jersey (Warren County). It has a population of 31,078, median household income of $78,519, and median home value of $244,200.
Population
31,078
Income
$78,519
Home Value
$244,200
Climate
86°F / 22°F
About Zip Code 08865
Zip code 08865 is located in Phillipsburg, New Jersey, within Warren County. Home to approximately 31,078 residents, this area sits at an elevation of 370 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 732.
The median household income is $78,519 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $244,200, and the cost of living index is 88 (12% below the national average of 100).
Summers average a high of 86°F while winters drop to 22°F. The area receives about 51 in of rain and 27 in of snow annually. The zip code covers 43 square miles of land area and 0.9 square miles of water.
Key Statistics
31,078
$78,519
$244,200
Eastern (EST/EDT)
732
370 ft
43 sq mi
43.2
14,146
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Compare With Nearby Zip Codes
| Metric | 08865 | 08886 | 18040 | 08804 | 18063 | 18042 |
|---|---|---|---|---|---|---|
| City | Phillipsburg, NJ | Stewartsville, NJ | Easton, PA | Bloomsbury, NJ | Martins Creek, PA | Easton, PA |
| Population | 31,078 | 6,493 | 17,183 | 3,066 | 277 | 44,797 |
| Median Income | $78,519 | $157,850 | $108,994 | $106,250 | $61,964 | $75,806 |
| Home Value | $244,200 | $424,000 | $347,800 | $439,100 | $203,900 | $205,900 |
| Cost of Living | 88 | 167 | 129 | 138 | 80 | 76 |
| Median Age | 43.2 | 42.8 | 45.6 | 46 | 54.5 | 36.4 |
Cost of Living
100 = National Average. Phillipsburg's cost of living is 12% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
3.1x
Demographics
Zip code 08865 has a population of 31,078 people with a median age of 43.2. There are 14,146 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Phillipsburg (08865) population trend from 2010 to 2024
↑ 117.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
22°F
51 in
27 in
Phillipsburg experiences warm summers with average highs around 86°F. Winters are cool with lows averaging 22°F. The area receives about 27 in of snow per year.
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Housing & Economy
Median Home Value
$244,200
Median Household Income
$78,519
With 14,146 housing units across 43 square miles, 08865 has a housing density of 329 units per square mile. The home price-to-income ratio is 3.1x.
Location & Geography
Latitude
40.7082°
Longitude
-75.1471°
Land Area
43 sq mi
Water Area
0.9 sq mi
Nearby Zip Codes
Zip codes closest to 08865 (Phillipsburg, NJ) with distances:
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 08865's $78,519. A way to compare Phillipsburg to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 08865 (Phillipsburg, NJ). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Phillipsburg, New Jersey?
Phillipsburg, New Jersey uses zip code 08865.
What county is zip code 08865 in?
Zip code 08865 is located in Warren County, New Jersey.
What is the population of zip code 08865?
The population of zip code 08865 is 31,078 with a median age of 43.2.
Is 08865 in Phillipsburg, New Jersey?
Yes, zip code 08865 is in Phillipsburg, Warren County, New Jersey. The area code is 732.
Frequently Asked Questions
What city is zip code 08865 in?
Zip code 08865 is in Phillipsburg, New Jersey. It is part of Warren County and uses the Eastern (EST/EDT) timezone.
What is zip code 08865?
Zip code 08865 is a U.S. postal code in Phillipsburg, New Jersey (Warren County). It has a population of 31,078 and covers 43 square miles.
What is the population of zip code 08865?
The population of zip code 08865 (Phillipsburg, NJ) is 31,078 with a median age of 43.2. There are approximately 14,146 housing units in this area.
What is the median income in zip code 08865?
The median household income in zip code 08865 (Phillipsburg, NJ) is $78,519 per year. The cost of living index is 88 (100 = national average).
What is the average home price in zip code 08865?
The median home value in zip code 08865 (Phillipsburg, NJ) is $244,200. The cost of living index is 88 compared to the national average of 100.
What county is zip code 08865 in?
Zip code 08865 is located in Warren County, New Jersey. The primary city is Phillipsburg.
What is the area code for zip code 08865?
Zip code 08865 in Phillipsburg, NJ uses area code 732. It is located in the Eastern (EST/EDT) timezone.
Is zip code 08865 a good place to live?
Zip code 08865 (Phillipsburg, NJ) has a cost of living index of 88 (100 = national average), a median household income of $78,519, and median home values of $244,200. The median age is 43.2. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 08865?
The cost of living index for zip code 08865 (Phillipsburg, NJ) is 88, where 100 represents the national average. This area is below the national average. Median home value: $244,200.
What schools serve zip code 08865?
Zip code 08865 in Phillipsburg, New Jersey is served by the local school district of Warren County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.