Food and drink · County · New Jersey
Fast food and sandwich shops in Mercer County, NJ
How Mercer County, NJ compares with other counties and the U.S. for fast food and sandwich shops: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 65 out of 100: Upper middle
Ranked #551 of 2,222 scored counties
#12 of 21 scored counties in New Jersey
- Listings
- 207
- 95 chain locations (46%)
- Official establishments
- 284
- All limited-service restaurants · +1.4% since 2019
- Household spending a year
- $666.1M
- On food away from home · $4,622 a household
- Spending per listing
- $3.2M
- 5% above the U.S.
- Listings per 10k households
- 14.4
- 8% above the U.S.
- Population, 2025
- 399,289
- +3.3% since 2020
See the fast food and sandwich shops around any address in Mercer County
The site report maps the fast food and sandwich shops 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 cardSurvey 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 $666.1M a year on food away from home, or $4,622 per household, 14% above the U.S. average. Spread across 207 fast food and sandwich shops, that is $3.2M per shop, 5% above the U.S. figure of $3.1M. The spending figure covers all food away from home, not only fast food and sandwich shops.
Mercer County has 207 fast food and sandwich shops on map listings as of September 2026. Of those, 95 are chain locations, or 46%, against 79% across the U.S. Per 10,000 households, that is 14.4, 8% above the U.S. rate of 13.3.
Official counts show 284 businesses with payroll classed as limited-service restaurants in Mercer County in 2023, up 1.4% from 2019. That is one for every 507 households, against one for every 478 across the U.S. That count covers all limited-service restaurants (pizza places included), not only fast food and sandwich shops. Official counts also show 91 one-person businesses without payroll. Since fiscal 2022, 17 SBA-backed loans worth $8.3M have gone to businesses classed as limited-service restaurants in Mercer County.
Between 2020 and 2025, the population of Mercer County grew 3.3%, in step with the U.S. (+3.1%). Mercer County scores 65 (upper middle) on the Groundwork market score for fast food and sandwich shops, ranking #551 of 2,222 scored counties and #12 of 21 scored counties in New Jersey. That puts it in the top quarter of counties.
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 food away from home by the fast food and sandwich shops counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.
| Measure | Mercer County | New Jersey | U.S. |
|---|---|---|---|
| Listings per 10k households | 14.4 | 13.6 | 13.3 |
| Spending per listing | $3.2M | $3.4M | $3.1M |
| Households per official establishment (all limited-service restaurants) | 507 | 457 | 478 |
| Official establishment growth, 2019–2023 | +1.4% | +7.1% | +6.1% |
| Population growth, 2020–2025 | +3.3% | +3.0% | +3.1% |
| Spending per household on food away from home | $4,622 | $4,680 | $4,070 |
| Median household income | $100,645 | $103,556 | $80,734 |
| Groundwork market score | 65 | 61 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 280 → 284All limited-service restaurants · +1.4% over the period
- Employees, 2023
- 3,853
- Annual payroll, 2023
- $83.3M
- One-person businesses, 2023
- 91All limited-service restaurants with no payroll
- Map listings, September 2026
- 20795 chain locations
- Listings at the U.S. rate for this spending
- 218The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 17
- Amount
- $8.3M
SBA-backed loans to businesses classed as limited-service restaurants 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. These official figures cover all limited-service restaurants, not only fast food and sandwich shops.
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 fast food and sandwich shops 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 cardFast food and sandwich shops across New Jersey
Every New Jersey market ranked →The highest-scoring counties in New Jersey for fast food and sandwich shops, numbered among those based in New Jersey, with Mercer County marked.
Top counties in New Jersey
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Hunterdon County, NJ | 78 | 63 | 12.4 | $4.4M | +2.3% | #161 of 2,222 |
| 2Sussex County, NJ | 78 | 73 | 12.6 | $3.9M | +2.9% | #170 of 2,222 |
| 3Salem County, NJ | 75 | 27 | 10.9 | $3.6M | +2.3% | #232 of 2,222 |
| 4Somerset County, NJ | 72 | 143 | 10.9 | $5M | +3.5% | #298 of 2,222 |
| 5Burlington County, NJ | 72 | 214 | 12.1 | $3.9M | +4.3% | #306 of 2,222 |
| 6Ocean County, NJ | 68 | 308 | 12.6 | $3.4M | +5.6% | #440 of 2,222 |
| 7Essex County, NJ | 67 | 402 | 12.6 | $3.4M | +4.2% | #480 of 2,222 |
| 8Warren County, NJ | 67 | 65 | 14.3 | $3.1M | +3.2% | #487 of 2,222 |
| 9Gloucester County, NJ | 66 | 136 | 12.1 | $3.8M | +3.3% | #506 of 2,222 |
| 10Hudson County, NJ | 66 | 355 | 11.8 | $3.8M | +1.8% | #507 of 2,222 |
| 12Mercer County, NJ | 65 | 207 | 14.4 | $3.2M | +3.3% | #551 of 2,222 |
Other business types in Mercer County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
- Restaurants and cafes54
- Sit-down restaurants48
- Fast food and sandwich shops65
- Pizza64
- Coffee shops and cafes60
- Bakeries and dessert shops48
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many fast food and sandwich shops are in Mercer County, NJ?
Map listings as of September 2026 show 207 fast food and sandwich shops in Mercer County. 95 of them (46%) are chain locations. The listings count fast food, sandwich shops, delis and bagel shops. Official counts show 284 businesses with payroll classed as limited-service restaurants in 2023, up 1.4% from 2019. The official count takes in all limited-service restaurants, not only fast food and sandwich shops: pizza places are counted too. Another 91 one-person businesses have no payroll, by official counts.
How much do households in Mercer County, NJ spend on food away from home?
About $666.1M a year, or $4,622 per household. That is 14% above the U.S. average (an index of 114, where 100 is the U.S. average). Spread across the 207 fast food and sandwich shops on map listings, it comes to $3.2M per shop. That spending covers all food away from home, which fast food and sandwich shops share with other businesses in the trade. 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 fast food and sandwich shops?
Mercer County has 14.4 fast food and sandwich shops per 10,000 households, 8% above the U.S. rate of 13.3. Spending per shop is $3.2M, 5% above the U.S. figure of $3.1M. At the U.S. ratio of fast food and sandwich shops to household spending, Mercer County would have about 218, against 207 on map listings. There is one business with payroll in the industry for every 507 households, against one for every 478 across the U.S. The official count rose 1.4% from 2019 to 2023, against +6.1% 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 65 for fast food and sandwich shops (upper middle), #551 of 2,222 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 fast food and sandwich shops 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 fast food and sandwich shops · 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.