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Gas stations in Mercer County, NJ

The gas stations in Mercer County, NJ, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 61 out of 100: Upper middle

Ranked #710 of 2,358 scored counties
#10 of 21 scored counties in New Jersey

Listings
114
95 chain locations (83%)
Official establishments
92
−8.0% since 2019
Household spending a year
$271.5M
On gasoline and other fuels · $1,884 a household
Spending per listing
$2.4M
In line with the U.S.
Listings per 10k households
7.9
28% below the U.S.
Population, 2025
399,289
+3.3% since 2020

See the gas stations around any address in Mercer County

The site report maps the gas stations 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 Mercer 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

Households in Mercer County spend about $271.5M a year on gasoline and other fuels, or $1,884 per household, 27% below the U.S. average. That works out to $2.4M per station, in line with the U.S. figure of $2.4M.

There are 114 gas stations on map listings in Mercer County as of September 2026. 95 of them (83%) are chain locations, against 84% across the U.S. That is 7.9 per 10,000 households, 28% below the U.S. rate of 10.9.

The official count of businesses with payroll classed as gasoline stations in Mercer County was 92 in 2023, down 8.0% from 2019. That is one for every 1,566 households, against one for every 1,184 across the U.S. Official counts list 6 one-person businesses without payroll.

Population estimates put the population change in Mercer County from 2020 to 2025 at +3.3%, in step with the U.S. (+3.1%). For gas stations, Mercer County has a Groundwork market score of 61 (upper middle): #710 of 2,358 scored counties and #10 of 21 scored counties in New Jersey.

How Mercer County compares

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

Gas stations in Mercer County, NJ compared with New Jersey and the U.S.
MeasureMercer CountyNew JerseyU.S.
Listings per 10k households7.98.010.9
Spending per listing$2.4M$2.4M$2.4M
Households per official establishment1,5661,5791,184
Official establishment growth, 2019–2023−8.0%−6.3%−3.1%
Population growth, 2020–2025+3.3%+3.0%+3.1%
Spending per household on gasoline and other fuels$1,884$1,914$2,595
Median household income$100,645$103,556$80,734
Groundwork market score6152

Official counts and lending

Businesses

Official establishments, 2019 to 2023
100 → 92−8.0% over the period
Employees, 2023
984
Annual payroll, 2023
$28.9M
One-person businesses, 2023
6Businesses with no payroll
Map listings, September 2026
11495 chain locations
Listings at the U.S. rate for this spending
114The 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 gasoline stations in Mercer 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 Mercer County

Population, 2025 estimate
399,289+3.3% since 2020
Households
144,114
Median age
40.4
Homes lived in by their owners
62%
Vehicles per household
1.6
Land area
225 sq. mi.
People per square mile
1,719
Median household income
$100,645+24.2% vs. 2015–2019, before inflation
Average household income
$142,372
Median home value
$377,700
Jobs located here
262,034
Daytime population
469,892Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Mercer 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 gas stations on map listings by name and distance.

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

Free10 actions over 3 days, no card

Gas stations across New Jersey

Every New Jersey market ranked →

The highest-scoring counties in New Jersey for gas stations, numbered among those based in New Jersey, with Mercer County marked.

Top counties in New Jersey

Counties in New Jersey ranked for gas stations by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Ocean County, NJ741335.5$3.8M+5.6%#286 of 2,358
2Gloucester County, NJ71726.4$3.5M+3.3%#363 of 2,358
3Somerset County, NJ661058.0$2.7M+3.5%#517 of 2,358
4Burlington County, NJ651548.7$2.5M+4.3%#559 of 2,358
5Cumberland County, NJ64417.6$2.7M+2.2%#596 of 2,358
6Essex County, NJ641976.2$2.4M+4.2%#599 of 2,358
7Atlantic County, NJ62756.8$2.8M+1.6%#654 of 2,358
8Cape May County, NJ61255.6$3.7M−1.7%#693 of 2,358
9Camden County, NJ611607.9$2.4M+2.4%#708 of 2,358
10Mercer County, NJ611147.9$2.4M+3.3%#710 of 2,358

Other business types in Mercer County

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

Questions

How many gas stations are in Mercer County, NJ?

As of September 2026, map listings count 114 gas stations in Mercer County. 95 of them (83%) are chain locations. The listings count gas stations. Official counts show 92 businesses with payroll classed as gasoline stations in 2023, down 8.0% from 2019. Official counts also show 6 one-person businesses without payroll.

How much do households in Mercer County, NJ spend on gasoline and other fuels?

About $271.5M a year, or $1,884 per household. That is 27% below the U.S. average (an index of 73, where 100 is the U.S. average). Spread across the 114 gas stations on map listings, it comes to $2.4M per station. It is estimated from the incomes of the 144,114 households in Mercer County and national spending patterns by income.

How does Mercer County, NJ compare with the U.S. for gas stations?

Mercer County has 7.9 gas stations per 10,000 households, 28% below the U.S. rate of 10.9. Spending per station is $2.4M, in line with the U.S. figure of $2.4M. The count on map listings matches the U.S. ratio of gas stations to household spending. There is one business with payroll in the industry for every 1,566 households, against one for every 1,184 across the U.S. The official count fell 8.0% from 2019 to 2023, against −3.1% for the U.S.

How fast is Mercer County, NJ growing?

Population estimates put Mercer County at 399,289 people in 2025, up 3.3% since 2020, in step with the U.S. (+3.1%). It has 144,114 households. Median household income in Mercer County is $100,645, 25% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 24.2%, 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. Mercer County scores 61 for gas stations (upper middle), #710 of 2,358 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Mercer County. It maps the gas stations 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 gas stations · All 56 business types in Mercer County

Screening a site or an acquisition in Mercer 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 Mercer 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.