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Advertise here →Harlingen, NJ · Houses & Market Data
Harlingen, New Jersey houses and real estate market data.
Houses in Harlingen, NJ (Somerset County) — Census median home value $717,900, county listing prices down about 3.6% over the past year. Market data for Harlingen houses and the broader area.
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Harlingen, NJ is in Somerset County, New Jersey — this guide covers houses in Harlingen and the whole local market: resale homes, condos, land, and new construction. The most recent Census estimate puts the population at 697, with a median household income of $227,438. Census data puts Harlingen houses at a median value of $717,900 (all owner-occupied homes); Somerset County's current median listing price runs $669,950, down about 3.6% over the past year.
Info from government sites and builders may have provided source info.
Market overview
Harlingen housing market
Harlingen is in Somerset County, New Jersey. Manifest Census and county price-trend data provide baseline context for houses in Harlingen and the surrounding county market.
Median home value (Census ACS)
$717,900
Population (Census ACS)
697
Median household income
$227,438
County price trend (2025)
6.3% YoY
Population, income, and median home value from the project batch manifest (Census ACS 2023 5-year). County price trend from FHFA county HPI when present in the manifest row.
At a glance
Harlingen market snapshot
Population
697
County
Somerset County
Median Household Income
$227,438
Median Home Value (city)
$717,900
Median Listing Price (Somerset County)
$669,950
Median Gross Rent
$-666,666,666/mo
Price Trend (YoY)
-3.6%
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About
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What makes Harlingen different
Home Value, By Source
The Census Bureau's American Community Survey (2023 5-year estimate) puts Harlingen's median home value — across all owner-occupied homes, not just recent sales — at $717,900. Separately, Somerset County's current median listing price (via Realtor.com data, 2026-06-01) runs $669,950. These cover different geography (city vs. county) and different measures (assessed value vs. active listings), which is why we show both rather than picking one — full source list on our data sources page.
County Price Trend
Somerset County's FHFA house price index shows a 6.3% annual change in 2025.
Population & Income
Harlingen has an estimated population of 697 and a median household income of $227,438, per the Census Bureau's American Community Survey (2023 5-year estimate).
Affordability Snapshot
Harlingen's Census-reported median home value works out to about 3.2x the area's median household income, and median gross rent runs roughly -3517442% of that same income on an annualized basis. Housing economists commonly flag a price-to-income ratio above 4x as historically elevated -- useful context, not a personal affordability verdict.
Nearby
Places around Harlingen
County guide: Somerset County — cities, market context, and local resources for the county that includes Harlingen.
USAHouses.com also helps visitors looking in nearby Somerset County and other New Jersey communities. Some locations may not yet have dedicated pages, but many licensed professionals in this region assist surrounding communities.
Nearby communities include Belle Mead, Griggstown, East Rocky Hill, Skillman, Blackwells Mills, Rocky Hill, Hillsborough, Ten Mile Run, Blawenburg, Pleasant Plains, Millstone, Neshanic, Flagtown, East Millstone, Franklin Park, Six Mile Run.
Belle Mead market data
Nearby city · ~1.2 mi
Griggstown market data
Nearby city · ~3.1 mi
East Rocky Hill market data
Nearby city · ~3.2 mi
Skillman market data
Nearby city · ~3.4 mi
Blackwells Mills market data
Nearby city · ~3.6 mi
Rocky Hill market data
Nearby city · ~3.6 mi
Hillsborough market data
Nearby city · ~3.9 mi
Ten Mile Run market data
Nearby city · ~4.1 mi
Blawenburg market data
Nearby city · ~4.1 mi
Pleasant Plains market data
Nearby city · ~4.1 mi
Millstone market data
Nearby city · ~4.6 mi
Neshanic market data
Nearby city · ~4.8 mi
Flagtown market data
Nearby city · ~5.3 mi
East Millstone market data
Nearby city · ~5.5 mi
Franklin Park market data
Nearby city · ~5.9 mi
Six Mile Run market data
Nearby city · ~6.5 mi
More New Jersey cities with market guides: Newark, Jersey City, Paterson, Elizabeth, Toms River, Trenton, Clifton, Camden.
Newark market data
Same-state city guide
Jersey City market data
Same-state city guide
Paterson market data
Same-state city guide
Elizabeth market data
Same-state city guide
Toms River market data
Same-state city guide
Trenton market data
Same-state city guide
Clifton market data
Same-state city guide
Camden market data
Same-state city guide
Adjacent-county Census places with USAHouses.com pages: Kingston (~5.3 mi), Kendall Park (~5.5 mi), Heathcote (~5.8 mi), Princeton (~6.5 mi), Neshanic Station (~6.8 mi), Hopewell (~7.2 mi), Monmouth Junction (~7.3 mi), Deans (~8.1 mi), Plainsboro Center (~8.9 mi), Three Bridges (~9.0 mi), Princeton Junction (~9.0 mi), Dayton (~9.2 mi), Princeton Meadows (~9.3 mi), Rutgers University-Busch Campus (~10.9 mi), Lawrenceville (~11.2 mi), Pennington (~11.2 mi).
New construction: New homes near Harlingen (Newark) · New Jersey new construction.
Census & home facts
Harlingen data from published sources
Population (ACS 2023)
697
Median home value (ACS 2023)
$717,900
Median household income (ACS 2023)
$227,438
County FHFA annual change (2025)
6.3%
County median listing price (FRED/Realtor.com) (2026-06-01)
$669,950
Census place type
CDP
County
Somerset County
Land area (Census Gazetteer 2024)
0.81 sq mi
Census GEOID
3429940
Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.
NewUSAHouses.com communities
Closest verified new-home communities near Harlingen
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Greens at Royce Brook - Preserve Collection ↗
Toll Brothers · Hillsborough Township, New Jersey · ~5.1 mi · from $1,279,995
Greens at Royce Brook ↗
Toll Brothers · Hillsborough Township, New Jersey · ~5.1 mi
Magnolia Square at Princeton ↗
Toll Brothers · Princeton, New Jersey · ~5.9 mi · from $1,458,000
Oakwood Park ↗
Pulte · South Brunswick, New Jersey · ~6.6 mi · from $514,990
Carnegie Crossing ↗
Lennar · Monmouth Junction, New Jersey · ~6.8 mi · from $857,990
Reach Harlingen buyers
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Common questions
Harlingen FAQ
What are houses worth in Harlingen, NJ?
The Census Bureau's American Community Survey puts the median value of houses in Harlingen at $717,900. Somerset County's current median listing price runs $669,950, down about 3.6% over the past year.
How much do houses cost in Harlingen, NJ?
For owner-occupied houses in Harlingen, Census ACS data shows a median value of $717,900. Active listing prices in Somerset County may differ — see the market snapshot above.
What types of houses are in Harlingen, NJ?
Harlingen houses include resale single-family homes, condos, mobile homes, and small multi-unit buildings, plus new construction in surrounding Somerset County communities where builders are active. The housing-stock section below uses Census ACS structure counts when available for this city.
What is the population of Harlingen, NJ?
The U.S. Census Bureau's American Community Survey (2023 5-year estimate) puts Harlingen's population at approximately 697.
What's the median rent in Harlingen, NJ?
The Census ACS estimates median gross rent in Harlingen at approximately $-666,666,666 per month.
What is the median household income in Harlingen, NJ?
Census ACS data puts the median household income in Harlingen at approximately $227,438.
Is the Harlingen housing market growing?
Somerset County's FHFA house price index shows a 6.3% annual change in 2025.
Is Harlingen, NJ affordable relative to income?
Census ACS data puts Harlingen's median home value at about 3.2 times the median household income, with median gross rent equal to roughly -3517442% of that income annually. This is a general benchmark, not a personal pre-qualification -- your own income, debt, and down payment determine what you can actually afford.
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