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Flagtown, NJ
Census-designated place in Somerset County, New Jersey. ZIP codes: 08821.
Population
930
Land area
1.7sq mi
People per sq mi
545
ZIP codes
1
Flagtown and its ZIP codes
Flagtown at a glance
- Flagtown is 57% less dense than New Jersey as a whole.
- Households here earn a median of $229,612 a year, about 2.2 times the New Jersey figure of $103,556.
- A typical owner-occupied home is valued at $689,000 (52% above New Jersey).
Local data for Flagtown, NJ
Counts from official public data
Housing and community stats
Flagtown, NJ, American Community Survey 2020-2024
Median household income
$229,612
Poverty rate
6.5%
Median home value
$689,000
Homeownership
95.5%
Bachelor's or higher
57.3%
Median age
44.2
Average commute
22.5 min
Largest reported origins and ancestries: Italian Americans (167), Polish Americans (157), Irish Americans (56).
Economy and federal money
Jobs, pay, income and spending are for Somerset County. PPP loans are for Flagtown.
Unemployment rate
4.1%
Aug 2026, -0.9 pts in a year
Average annual pay
$112,982
192,374 jobs, 2025
Income per person
$121,042
BEA, 2024
Federal spending
$2.35B
FY 2026, $6,816 per person
PPP loans
$459K
12 loans, 38 jobs reported
How people get to work
Flagtown, NJ, workers 16 and older. American Community Survey 5-year estimates
- Drove alone73.1%
- Carpooled5.2%
- Public transit0.0%
- Walked0.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home21.7%
Average one-way commute: 22.5 minutes for people who do not work from home.
Environment and hazard risk
Flagtown, NJ, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: winter weather
Storm events since 1996
1,229
Countywide, mostly thunderstorm wind
Flood insurance policies
1,407
1.4% of homes, county
July high / Jan low
86° / 19°F
46.7 inches of rain a year
Health statistics
Share of adults in Flagtown, NJ, CDC PLACES estimates
Obesity
25.1%
U.S. 33.3% -8.2 pts
Diabetes
7.9%
U.S. 12.1% -4.2 pts
Smoking
7.6%
U.S. 12.8% -5.2 pts
Uninsured (18-64)
5.9%
U.S. 11.1% -5.2 pts
ZIP codes in Flagtown
1 in or overlapping Flagtown. Population shown
Cities near Flagtown
| Name | Distance | Land area (sq mi) |
|---|---|---|
| NeshanicCensus-designated place | 1.8 mi | 3.6 |
| HillsboroughCensus-designated place | 2 mi | 8 |
| Neshanic StationCensus-designated place | 2.6 mi | 9.4 |
| Bradley GardensCensus-designated place | 3.6 mi | 4.5 |
| Belle MeadCensus-designated place | 4.1 mi | 4 |
| RaritanBorough | 4.2 mi | 2 |
| MillstoneBorough | 5.2 mi | 0.7 |
| HarlingenCensus-designated place | 5.2 mi | 0.8 |
| SomervilleBorough | 5.3 mi | 2.3 |
| ManvilleBorough | 5.5 mi | 2.4 |
| Blackwells MillsCensus-designated place | 5.7 mi | 7.7 |
| WestonCensus-designated place | 5.8 mi | 1.4 |
| ZarephathCensus-designated place | 6 mi | 0.4 |
| Three BridgesCensus-designated place | 6 mi | 0.5 |
| Bridgewater CenterCensus-designated place | 6.2 mi | 5.8 |
| East MillstoneCensus-designated place | 6.4 mi | 2.2 |
Frequently asked questions
- What county is Flagtown, NJ in?
- Flagtown is in Somerset County, New Jersey.
- What ZIP codes are in Flagtown, NJ?
- ZIP codes in or overlapping Flagtown include 08821.
- What is the population of Flagtown, NJ?
- About 930 people live in Flagtown, based on American Community Survey 5-year estimates.
- What cities are near Flagtown?
- Nearby places include Neshanic (1.8 mi), Hillsborough (2 mi), Neshanic Station (2.6 mi), Bradley Gardens (3.6 mi), Belle Mead (4.1 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023