Groundwork

Real estate · County · New Jersey

Real estate businesses in Warren County, NJ

How Warren County, NJ compares with other counties and the U.S. for real estate businesses: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 87 out of 100: High

Ranked #3 of 2,229 scored counties
#1 of 21 scored counties in New Jersey

Listings
70
4 chain locations (6%)
Official establishments
14
−36.4% since 2019
Household spending a year
$881.3M
On rent and homeowner costs · $19,416 a household
Housing spending per listing (U.S. = 100)
291
2.9 times the U.S.
Listings per 10k households
15.4
60% below the U.S.
Population, 2025
112,953
+3.2% since 2020

See the real estate businesses around any address in Warren County

The site report maps the real estate businesses on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Warren County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

For real estate businesses, Warren County has a Groundwork market score of 87 (high): #3 of 2,229 scored counties and #1 of 21 scored counties in New Jersey. That puts it in the top 10% of counties for real estate businesses.

Households in Warren County spend about $881.3M a year on rent and homeowner costs, or $19,416 per household, 17% above the U.S. average. Housing spending per office is 2.9 times the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money real estate businesses take in.

Warren County has 70 real estate businesses on map listings as of September 2026. 4 of them (6%) are chain locations, against 6% across the U.S. Per 10,000 households, that is 15.4, 60% below the U.S. rate of 38.5.

In 2023, official counts showed 14 businesses with payroll in Warren County classed as real estate agents, property managers, mortgage lenders and inspectors, down 36.4% from 2019. That is one for every 3,242 households, against one for every 414 across the U.S. Between 2020 and 2025, the population of Warren County grew 3.2%, in step with the U.S. (+3.1%).

How Warren County compares

The same measures for New Jersey and the whole U.S. Housing spending per listing divides all rent and homeowner costs by the listings counted: a measure of housing demand for each business, not money any of them take in, so it is shown against the U.S. (100) only. Households per establishment divides households by the official count.

Real estate in Warren County, NJ compared with New Jersey and the U.S.
MeasureWarren CountyNew JerseyU.S.
Listings per 10k households15.436.238.5
Housing spending per listing (U.S. = 100)291130100
Households per official establishment3,242595414
Official establishment growth, 2019–2023−36.4%+7.3%+15.8%
Population growth, 2020–2025+3.2%+3.0%+3.1%
Spending per household on rent and homeowner costs$19,416$20,430$16,661
Median household income$100,869$103,556$80,734
Groundwork market score8781

Official counts and lending

Businesses

Official establishments, 2019 to 2023
22 → 14−36.4% over the period
Employees, 2023
31
Annual payroll, 2023
$1.2M
One-person businesses, 2023
524Businesses with no payroll
Map listings, September 2026
704 chain locations
Listings at the U.S. rate for this spending
204The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
0
Amount
$0

SBA-backed loans to businesses classed as real estate agents, property managers, mortgage lenders and inspectors in Warren County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.

Population and households in Warren County

Population, 2025 estimate
112,953+3.2% since 2020
Households
45,391
Median age
44.5
Homes lived in by their owners
75%
Vehicles per household
1.9
Land area
357 sq. mi.
People per square mile
311
Median household income
$100,869+24.1% vs. 2015–2019, before inflation
Average household income
$118,920
Median home value
$346,500
Jobs located here
30,808
Daytime population
86,522Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Warren County?

These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the real estate businesses on map listings by name and distance.

Or open the report at the center of Warren County. Signed out, you see a blurred preview; on an account, each report is one action.

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Real estate across New Jersey

Every New Jersey market ranked →

The highest-scoring counties in New Jersey for real estate businesses, numbered among those based in New Jersey, with Warren County marked.

Top counties in New Jersey

Counties in New Jersey ranked for real estate businesses by Groundwork market score
MarketScoreListingsPer 10k householdsHousing spending per listing (U.S. = 100)Population growthU.S. rank
1Warren County, NJ877015.4291+3.2%#3 of 2,229
2Salem County, NJ804718.9219+2.3%#30 of 2,229
3Sussex County, NJ6717730.6159+2.9%#318 of 2,229
4Middlesex County, NJ6581426.4182+2.6%#384 of 2,229
5Hudson County, NJ6276725.6179+1.8%#506 of 2,229
6Camden County, NJ6255827.6158+2.4%#512 of 2,229
7Cumberland County, NJ6214326.6147+2.2%#516 of 2,229
8Hunterdon County, NJ6218636.6146+2.3%#517 of 2,229
9Passaic County, NJ5949227.5160+1.6%#630 of 2,229
10Somerset County, NJ5846735.7150+3.5%#679 of 2,229

Other business types in Warren County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many real estate businesses are in Warren County, NJ?

Map listings as of September 2026 show 70 real estate businesses in Warren County. 4 of them (6%) are chain locations. The listings count real estate agents and brokers, property managers, mortgage brokers and lenders, and home inspectors. Official counts show 14 businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in 2023, down 36.4% from 2019. Official counts list 524 one-person businesses without payroll.

How much do households in Warren County, NJ spend on rent and homeowner costs?

About $881.3M a year, or $19,416 per household. That is 17% above the U.S. average (an index of 117, where 100 is the U.S. average). For the 70 real estate businesses on map listings, housing spending per office is 2.9 times the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money real estate businesses take in. It is estimated from the incomes of the 45,391 households in Warren County and national spending patterns by income.

How does Warren County, NJ compare with the U.S. for real estate businesses?

Warren County has 15.4 real estate businesses per 10,000 households, 60% below the U.S. rate of 38.5. The index of housing spending per office is 291, where 100 is the U.S. At the U.S. ratio of real estate businesses to household spending, Warren County would have about 204, against 70 on map listings. There is one business with payroll in the industry for every 3,242 households, against one for every 414 across the U.S. The official count fell 36.4% from 2019 to 2023, against +15.8% for the U.S.

How fast is Warren County, NJ growing?

Population estimates put Warren County at 112,953 people in 2025, up 3.2% since 2020, in step with the U.S. (+3.1%). It has 45,391 households. Median household income in Warren County is $100,869, 25% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 24.1%, before inflation.

What is the Groundwork market score?

The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. Warren County scores 87 for real estate businesses (high), #3 of 2,229 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Warren County. It maps the real estate businesses on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.

How the score works · Top markets for real estate businesses · All 56 business types in Warren County

Screening a site or an acquisition in Warren County?

A site report maps the competitors on map listings near an address and sizes the households and spending around it.

The button opens the report at the center of Warren County. Signed out, you see a blurred preview; on an account, each report is one action.

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

Figures are estimates for research only. Not investment or real estate advice.