Groundwork

Groceries and convenience · County · New Jersey

Convenience stores in Warren County, NJ

The convenience stores in Warren County, NJ, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 75 out of 100: High

Ranked #298 of 2,261 scored counties
#6 of 21 scored counties in New Jersey

Listings
39
26 chain locations (67%)
Official establishments
12
Businesses with payroll, 2023
Household spending a year
$325.9M
On groceries · $7,180 a household
Spending per listing
$8.4M
6% above the U.S.
Listings per 10k households
8.6
8% above the U.S.
Population, 2025
112,953
+3.2% since 2020

See the convenience stores around any address in Warren County

The site report maps the convenience stores 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

As of September 2026, map listings count 39 convenience stores in Warren County. Of those, 26 are chain locations, or 67%, against 60% across the U.S. That comes to 8.6 for every 10,000 households, 8% above the U.S. rate of 8.0.

At $7,180 per household (14% above the U.S. average), households in Warren County spend about $325.9M a year on groceries. That is about $8.4M of household spending for each store on map listings, 6% above the U.S. figure of $7.9M. That spending covers all groceries, which convenience stores share with other businesses in the trade.

The official count of businesses with payroll classed as convenience stores in Warren County was 12 in 2023. That is one for every 3,783 households, against one for every 3,493 across the U.S.

Between 2020 and 2025, the population of Warren County grew 3.2%, in step with the U.S. (+3.1%). Warren County scores 75 (high) on the Groundwork market score for convenience stores, ranking #298 of 2,261 scored counties and #6 of 21 scored counties in New Jersey. That puts it in the top quarter of counties.

How Warren County compares

The same measures for New Jersey and the whole U.S. Spending per listing divides a year of household spending on all groceries by the convenience stores counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Convenience stores in Warren County, NJ compared with New Jersey and the U.S.
MeasureWarren CountyNew JerseyU.S.
Listings per 10k households8.67.08.0
Spending per listing$8.4M$10.5M$7.9M
Households per official establishment3,7832,3913,493
Official establishment growth, 2019–2023n/a+6.3%+22.0%
Population growth, 2020–2025+3.2%+3.0%+3.1%
Spending per household on groceries$7,180$7,393$6,319
Median household income$100,869$103,556$80,734
Groundwork market score7566

Official counts and lending

Businesses

Official establishments, 2019 to 2023
13 → 12
Employees, 2023
60
Annual payroll, 2023
$1.5M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
3926 chain locations
Listings at the U.S. rate for this spending
41The 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 convenience stores 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 convenience stores 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.

Free10 actions over 3 days, no card

Convenience stores across New Jersey

Every New Jersey market ranked →

The highest-scoring counties in New Jersey for convenience stores, numbered among those based in New Jersey, with Warren County marked.

Top counties in New Jersey

Counties in New Jersey ranked for convenience stores by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Essex County, NJ791584.9$14M+4.2%#183 of 2,261
2Hunterdon County, NJ78316.1$13.3M+2.3%#212 of 2,261
3Somerset County, NJ78846.4$12.7M+3.5%#215 of 2,261
4Sussex County, NJ77427.3$10.5M+2.9%#246 of 2,261
5Morris County, NJ761166.0$13.5M+3.2%#270 of 2,261
6Warren County, NJ75398.6$8.4M+3.2%#298 of 2,261
7Mercer County, NJ74986.8$10.8M+3.3%#314 of 2,261
8Bergen County, NJ732075.8$13.4M+2.4%#337 of 2,261
9Ocean County, NJ732108.6$8.2M+5.6%#350 of 2,261
10Union County, NJ721376.7$11.1M+5.0%#360 of 2,261

Other business types in Warren County

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

Questions

How many convenience stores are in Warren County, NJ?

Warren County has 39 convenience stores on map listings as of September 2026. 26 of them (67%) are chain locations. The listings count convenience stores without fuel. Official counts show 12 businesses with payroll classed as convenience stores in 2023.

How much do households in Warren County, NJ spend on groceries?

About $325.9M a year, or $7,180 per household. That is 14% above the U.S. average (an index of 114, where 100 is the U.S. average). Spread across the 39 convenience stores on map listings, it comes to $8.4M per store. The spending figure covers all groceries, not only convenience stores. 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 convenience stores?

Warren County has 8.6 convenience stores per 10,000 households, 8% above the U.S. rate of 8.0. Spending per store is $8.4M, 6% above the U.S. figure of $7.9M. At the national ratio of convenience stores to household spending, Warren County would have about 41, against 39 on map listings. There is one business with payroll in the industry for every 3,783 households, against one for every 3,493 across 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 75 for convenience stores (high), #298 of 2,261 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 convenience stores 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 convenience stores · 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.