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Twin Rivers, NJ (1)
New Jersey›Mercer County

Twin RiversNJ

With 8,382 residents, it is a town in New Jersey.

4 bordering townsMap →
Photo of Twin Rivers

Twin Rivers, NJ · Photo: Mr. Matté (if there is an issue with this image, contact me using this image's Commons talk page, my Commons user talk page, or my English Wikipedia user talk page; I'll know about it a lot faster) · CC BY 3.0 · Source ↗

Is Twin Rivers a good place to live?

12% of residents are 65 or older in Twin Rivers, below both New Jersey’s towns (18%) and U.S. towns (18%). Twin Rivers’ trail network density is 9.2 miles per square mile, against 0.7 in New Jersey’s towns and 0.4 across U.S. towns. Etra Lake Park, at 78 acres with 1 miles of trail, is the biggest park or preserve. We don’t grade Twin Rivers yet; the figures below are still real.

A commuter town

98% of working residents leave Twin Rivers for work

Where Twin Rivers’s working residents go each day. Line width shows the share.

7% → East Windsor Township East Windsor Township 7% 6% → New York New York 6% 6% → South Brunswick Township South Brunswick Township 6% 5% → Cranbury Township Cranbury Township 5% 4% → Monroe Township Monroe Township 4% 4% → Trenton Trenton 4% Twin Rivers · 2% stay
1,379jobs based in Twin Rivers
2%of working residents work in town
14 mimedian commute distance

Census LEHD 2023

Twin rivers cdp nj 021
Twin rivers cdp nj 021, 2005
Twin Rivers’s story

Twin Rivers in pictures

Census counts: 7,742 in 1980, 7,787 in 2020. The archive holds 3 old photos and papers going back to 2005 and 7 maps from 1888 on.

Explore the history →
Nearby attractions

Six Flags Great Adventure and 214 more within 40 miles

Museums, parks, gardens and other places to visit around Twin Rivers. Close and well known come first.

All 705 attractions →
Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits

Six Flags Great Adventure: Unknown, CC BY-SA 2.5 · Coney Island: OptimumPx, Public domain · National September 11 Memorial & Museum: Paul Sableman, CC BY 2.0 · Barclays Center: Ajay Suresh from New York, NY, USA, CC BY 2.0 · Pine Barrens: Famartin, CC BY-SA 4.0 · Lynnewood Hall: Shuvaev, CC BY-SA 3.0

Getting set up

Moving to Twin Rivers: who provides what

Twin Rivers is unincorporated, so Mercer County and regional agencies provide most services.

PowerJCP&L18.4¢/kWh · EIA 2025HIFLD · EIA
WaterEast Windsor Mua water system1 health-based violation in 5 years · EPAEPA
Internet4 providers100% of addresses get 100/20 MbpsFCC
Trash & county servicesMercer CountyMercer County provides services here
SchoolsEast Windsor Region School DistrictWhich school depends on your addressNCES
Register to voteOnlineIn New Jersey you can register online until 21 days before Election Day, in person until 21 days before Election Day, or by mail (postmarked 21 days before).vote.gov
Who runs elections hereMercer County ClerkMercer County; contacts on the Handbook page.FVAP, Aug 2019
ZIP code0852008520 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.

The data

Ordered by what stands out in Twin Rivers.

Natural hazards

Twin Rivers has a very high natural-hazard risk, chiefly from inland flooding

Of the losses FEMA expects in Twin Rivers, 75% come from inland flooding and 6% from hurricanes. FEMA expects more storm and flood damage locally than in 87% of U.S. communities.

87risk score of 100
FEMA risk score
87Very high riskLowerHigher
Inland floodingHurricanes

FEMA National Risk Index · OpenFEMA

Work & commute

Twin Rivers has 0.4 jobs per working resident, so most workers leave town for work

Twin Rivers’ typical household income is $101,000. Just 2% of the town’s working residents have a job in town. Jobs based in Twin Rivers grew to 1,379 in 2023, 236 more than in 2013. For residents in the town, the share who live below the poverty line is 3.5%.

2%work in town
Twin RiversNew Jersey townsU.S. towns
Below the poverty line3.5%6.1%9.6%
Working residents who work in town2.3%6.3%8%
Median household income$101,000$113,000$80,000
Average trip to work28 minutes30 minutes25 minutes

Where working residents work

In Twin Rivers2%
East Windsor Township7%
New York6%
South Brunswick Township6%
Cranbury Township5%
14 mi
median commute distance
1,379
jobs based in Twin Rivers
A commuter town
jobs vs. working residents

Census LEHD 2023 · ACS

Outdoors

19.7% of Twin Rivers is conserved land

Across 1 park or preserve: 12 miles of trail.

19.7%conserved
19.7%
conserved · 163 of 829 acres
12 mi
of trails · 9.2 per sq mi
Biggest places to walkTrailsAcres
1. Etra Lake Park1 mi78

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

Climate

In Twin Rivers, expect four seasons and pleasant summers

A winter brings about 24 inches of snow, with January nights at 23° and July afternoons at 87°.

24″snow a winter

Typical low → high °F

Winter26–44°
Spring41–63°
Summer63–85°
Fall46–67°
Oct 16
typical first frost
Apr 25
typical last frost
+2.3°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Twin Rivers is

In Twin Rivers, 10% of adults smoke cigarettes. The town beats the New Jersey average on 5 of 32 CDC measures and trails it on 2. Two figures for adults in the town: 25% have obesity, 28% have high blood pressure.

Twin RiversNew Jersey townsU.S. towns
Depression (CDC PLACES)15%16%23%
No health insurance, 18–64 (CDC PLACES)15%8.4%8.1%
Obesity (CDC PLACES)25%28%35%
High blood pressure (CDC PLACES)28%32%35%
32 measures vs. New Jersey
5 better25 too close to call2 worse
What stands outTwin RiversNJ
Fewer adults with heart disease4.6%5.6%
Fewer adults with arthritis18.3%22.2%
More uninsured adults14.8%11.3%
University Medical Center of Princeton at Plainsboro
8.8 mi away · emergency room
None
primary care, dental or mental-health shortage

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Housing

A home in Twin Rivers sells for about $400K at the median

Twin Rivers’ rent at the middle of the market stands at $1,753 a month. On the market locally: a median 51 days to sell. Also worth knowing: among households in the town, 69% live in a home they own.

$400Kmedian sale price
Twin RiversNew Jersey townsU.S. towns
Median rent$1,753 a month$1,778 a month$1,185 a month
Households that own their home69%77%73%
Market temperature
Seller’s marketA seller's marketBuyer’sSeller’s
51
days on market
99.3%
sale-to-list price
10
homes sold in September

Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center

Keep exploring

Everything we know about Twin Rivers

16pages on Twin Rivers
After high school

Colleges nearby

7 within 15 miles of the center of Twin Rivers

About Twin Rivers

Populated place in Mercer County, New Jersey, US

Twin Rivers is an unincorporated community and census-designated place (CDP) in East Windsor Township, in Mercer County, in the U.S. state of New Jersey. As of the 2020 United States census, Twin Rivers' population was 7,787, its highest decennial count ever and an increase of 344 (+4.6%) from the 7,443 recorded at the 2010 census, which in turn reflected an increase of 21 (+0.3%) from the 7,422 counted in the 2000 census. Twin Rivers was the first planned unit development in New Jersey.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Area
1.3 sq mi
Elevation
108 ft

Twin Rivers’s neighbors

4 towns share a border with Twin Rivers.

Explore the map →
How the neighbors grade
TownNJ rankOverallCostSafetySchoolsHealth
Twin Rivers——————
East Windsor Township#254BDB+C+A
Monroe Township#106AD−A+A−A−
Cranbury Township#25A+CA−A+A
Renaissance at Monroe——————

Twin Rivers and Renaissance at Monroe aren’t graded (fewer than 1,000 residents, or not enough data). Compare Twin Rivers with a neighbor →

Questions about Twin Rivers

Short answers, built from the data on this page.

Is Twin Rivers, NJ a good place to live?

We don’t grade Twin Rivers yet; the figures below are still real.