Housing data for Frelinghuysen Township, NJ

Frelinghuysen Township, NJ has an estimated 2,137 residents and 877 homes (US Census Bureau, 2020–2024 American Community Survey).

It is a township in Warren County.

6.6% of households rent.

The median gross rent is $1,683 a month.

Figures last updated on .

Residents
2,137 (±260)
Housing units
877 (±89)
Households that rent
6.6%
Median gross rent
$1,683
Residents since 2015–2019
−8.8%

What stands out in Frelinghuysen Township

Homes heated by fuel oil: 60.6% (±7.3 points) in Frelinghuysen Township, higher than in Warren County (28.6%).

Homes in buildings of 5 or more units: 0.0% (±8.7 points) in Frelinghuysen Township, lower than in Warren County (11.8%).

Households that rent: 6.6% (±2.8 points) in Frelinghuysen Township, lower than in Warren County (24.9%).

Median home value: $455,500 (±$32,343) in Frelinghuysen Township, higher than in Warren County ($346,500).

Housing in Frelinghuysen Township at a glance

  • Median rent: $1,683 median gross rent a month (Small sample: wide margin of error)
  • Rent burden: 44.0% of renters pay 30% or more of income (Small sample: wide margin of error)
  • Renters and owners: 6.6% of households rent
  • Income and affordability: $122,727 median household income
  • Home values: $455,500 median home value
  • Homeowner costs: $2,648 median monthly cost with a mortgage
  • Property taxes: $9,402 median real estate taxes a year
  • Types of homes: 0.0% of homes are in buildings of 5 or more units
  • Bedrooms: 90.1% of homes have 3 or more bedrooms
  • Age of homes: 43.5% of homes were built before 1980
  • Vacancy rate: 0.0% rental vacancy rate (Small sample: wide margin of error)
  • Heating fuel: 60.6% heat with fuel oil or kerosene
  • Commute and cars: 33.2 minutes average trip to work
  • Growth: −8.8% residents since 2015–2019
  • How long people stay: 15.1% moved in since 2020
  • Crowding and facilities: 0.0% of homes have more than 1 person per room (Small sample: wide margin of error)

Frelinghuysen Township against Warren County, its state and the nation

Estimate (90% margin of error)
Frelinghuysen TownshipWarren CountyNew JerseyUnited States
Residents2,137 (±260)110,849 (exact)9,343,809 (exact)334,922,499
Housing units877 (±89)46,789 (±53)3,791,354 (±469)143,775,355
Households that rent6.6% (±2.8 points)24.9% (±1.4 points)36.2% (±0.2 points)34.8%
Median gross rent$1,683 (±$237)$1,409 (±$39)$1,720 (±$7)$1,413
Median household income$122,727 (±$5,830)$100,869 (±$3,607)$103,556 (±$513)$80,734
Median home value$455,500 (±$32,343)$346,500 (±$6,745)$454,400 (±$1,150)$332,700
Median real estate taxes (a year)$9,402 (±$664)$8,119 (±$159)$9,590 (±$25)$3,119
Built before 198043.5% (±7.6 points)60.3% (±2.6 points)62.8% (±0.3 points)49.7%
Average commute33.2 minutes (±3.6)34.0 minutes (±1.1)30.5 minutes (±0.1)26.4 minutes
Households with broadband93.2% (±3.9 points)92.5% (±1.0 points)92.8% (±0.1 points)91.0%
Median age of residents51.5 years (±3.1)44.0 years (±0.3)40.1 years (±0.1)38.9 years

Frelinghuysen Township covers 23.6 square miles of land, about 90 residents per square mile (Census Bureau Gazetteer).

How Frelinghuysen Township has changed since 2015–2019

2015–2019 and 2020–2024 American Community Survey 5-year estimates
2015–20192020–2024Amount of changeVerdict
Residents2,344 (±202)2,137 (±260)−8.8%Not a measurable change
Housing units829 (±59)877 (±89)+5.8%Not a measurable change
Median gross rent$1,228 (±$185)$1,683 (±$237)+37.1%No measurable change after inflation
Median home value$370,900 (±$19,593)$455,500 (±$32,343)+22.8%No measurable change after inflation
Median household income$124,286 (±$15,278)$122,727 (±$5,830)−1.3%Down after inflation
Median owner cost with a mortgage$2,528 (±$159)$2,648 (±$415)+4.7%No measurable change after inflation
Median real estate taxes$8,588 (±$389)$9,402 (±$664)+9.5%Down after inflation
Households that rent11.4% (±4.9 points)6.6% (±2.8 points)−4.8 percentage pointsNot a measurable change
Rental vacancy rate0.0% (±31.9 points)0.0% (±47.1 points)0.0 percentage pointsNot a measurable change

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Crime reported to police in Warren County

Frelinghuysen Township has no police department of its own in the FBI’s figures, so this is the figure for Warren County as a whole.

In 2025, the police departments that report for Warren County recorded 68 violent and 743 property crimes per 100,000 residents.

A county-wide figure describes the whole county, not this place; crime varies from one community to the next.

ZIP codes in Frelinghuysen Township

ZIP Code Tabulation Areas that cover this place (2020–2024 estimates)
ZIP codeShare of the ZIP’s land in this placeResidentsMedian gross rentMedian home valueMedian household income
07846100%45—$408,300$99,792
0782518%9,210$1,775$423,400$123,785

A ZIP code is a mail route rather than a boundary, so the Census Bureau publishes figures for ZIP Code Tabulation Areas built from census blocks; the share column says how much of each one’s land lies in this place.

Places near Frelinghuysen Township

Nearest places with Census figures, by straight-line distance
PlaceDistanceMedian gross rentMedian home valueHouseholds that rent
Panther Valley4.4 mi$2,008$369,90016.9%
Allamuchy Township4.5 mi$1,929$378,40017.2%
Green Township4.9 mi$1,648$472,2002.5%
Blairstown Township5.5 mi$1,694$406,3004.9%
Independence Township5.6 mi$1,603$390,10017.5%
Hope Township5.6 mi$1,355$426,60012.0%
Fredon Township6.0 mi$1,205$457,6004.5%
Liberty Township6.6 mi$1,695$363,60010.0%

Places in New Jersey most like Frelinghuysen Township

PlaceMedian gross rentMedian home valueMedian household incomeHouseholds that rent
Lafayette Township$1,891$490,200$129,03812.0%
Hardwick Township$1,818$421,200$124,62512.7%
Stafford Township$1,800$426,200$117,6129.7%
Franklin Township (Warren County)$1,438$428,300$132,69710.5%
Lacey Township$1,971$409,400$102,62411.9%
Plumsted Township$1,707$451,000$103,62518.9%

Matched on rent, home value, income, the share who rent, the age of the homes, the share in apartment buildings and the commute, each measured against the spread across New Jersey.

HUD Fair Market Rent for Frelinghuysen Township, fiscal year 2027

Warren County, NJ HUD Metro FMR Area, dollars a month
Studio1 bedroom2 bedrooms3 bedrooms4 bedrooms
$1,614$1,624$2,021$2,478$2,937

HUD income limits for Frelinghuysen Township, fiscal year 2026

Warren County, NJ HUD Metro FMR Area, annual household income
Household sizeExtremely low (30%)Very low (50%)Low (80%)
1 person$26,850$44,800$71,650
2 people$30,700$51,200$81,850
3 people$34,550$57,600$92,100
4 people$38,350$63,950$102,300
5 people$41,450$69,100$110,500
6 people$44,500$74,200$118,700
7 people$50,040$79,300$126,900
8 people$55,720$84,450$135,050

These are the limits HUD sets for its housing programs in the Warren County, NJ HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $127,900.

A program can use its own limits; tax-credit and local programs often do.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Frelinghuysen Township

How many renters are there in Frelinghuysen Township?

Frelinghuysen Township has an estimated 55 (±24) renting households, 6.6% of its occupied homes (2020–2024 American Community Survey).

What is the median household income in Frelinghuysen Township?

The median household income in Frelinghuysen Township is $122,727 (±$5,830) a year (2020–2024 American Community Survey).

What is the average home value in Frelinghuysen Township, NJ?

The Census Bureau publishes the median: $455,500 (±$32,343) for owner-occupied homes in Frelinghuysen Township (2020–2024 American Community Survey).

What is the average mortgage payment in Frelinghuysen Township?

The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in Frelinghuysen Township, NJ is $2,648 (±$415) a month, including taxes, insurance and utilities.

How much are property taxes in Frelinghuysen Township?

The median real estate tax paid by homeowners in Frelinghuysen Township, NJ is $9,402 (±$664) a year (2020–2024 American Community Survey).

How many homes are in Frelinghuysen Township?

Frelinghuysen Township, NJ has an estimated 877 (±89) housing units, occupied and vacant (2020–2024 American Community Survey).

Is Frelinghuysen Township growing?

In Frelinghuysen Township, the number of residents went from 2,344 in 2015–2019 to 2,137 in 2020–2024 (−8.8%), not a measurable change.

What ZIP codes are in Frelinghuysen Township?

The ZIP codes that cover Frelinghuysen Township are 07846, 07825.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Frelinghuysen township, Warren County, New Jersey (county subdivision:25320, in state:34 county:041).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.

Figures last updated on .

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