Groundwork

Groceries and convenience · County · New York

Grocery stores in Nassau County, NY

Competitor counts, household spending and official business counts for grocery stores in Nassau County, NY, set against other counties and the U.S.

Groundwork market score · out of 100

Score 49 out of 100: Lower middle

Ranked #1,043 of 2,070 scored counties
#35 of 60 scored counties in New York

Listings
419
139 chain locations (33%)
Official establishments
452
−9.4% since 2019
Household spending a year
$3.8B
On groceries · $8,193 a household
Spending per listing
$9M
4% below the U.S.
Listings per 10k households
9.1
34% above the U.S.
Population, 2025
1,398,939
+0.6% since 2020

See the grocery stores around any address in Nassau County

The site report maps the grocery 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 Nassau County. Signed out, you see a blurred preview; on an account, each report is one action.

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

What this means

Household spending on groceries in Nassau County comes to about $3.8B a year: $8,193 per household, 30% above the U.S. average. That works out to $9M per store, 4% below the U.S. figure of $9.3M. The spending figure covers all groceries, not only grocery stores.

There are 419 grocery stores on map listings in Nassau County as of September 2026. Of those, 139 are chain locations, or 33%, against 37% across the U.S. Per 10,000 households, that is 9.1, 34% above the U.S. rate of 6.8.

The official count of businesses with payroll classed as supermarkets and grocery stores in Nassau County was 452 in 2023, down 9.4% from 2019. That is one for every 1,014 households, against one for every 2,053 across the U.S. Since fiscal 2022, 7 SBA-backed loans worth $3.6M have gone to businesses classed as supermarkets and grocery stores in Nassau County.

Population estimates put the population change in Nassau County from 2020 to 2025 at +0.6%, slower than the U.S. (+3.1%). The Groundwork market score for grocery stores in Nassau County is 49 (lower middle), #1,043 of 2,070 scored counties and #35 of 60 scored counties in New York.

How Nassau County compares

The same measures for New York and the whole U.S. Spending per listing divides a year of household spending on all groceries by the grocery 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.

Grocery stores in Nassau County, NY compared with New York and the U.S.
MeasureNassau CountyNew YorkU.S.
Listings per 10k households9.19.96.8
Spending per listing$9M$7.1M$9.3M
Households per official establishment1,0149262,053
Official establishment growth, 2019–2023−9.4%−10.0%0.0%
Population growth, 2020–2025+0.6%−0.6%+3.1%
Spending per household on groceries$8,193$6,985$6,319
Median household income$146,202$85,974$80,734
Groundwork market score4922

Official counts and lending

Businesses

Official establishments, 2019 to 2023
499 → 452−9.4% over the period
Employees, 2023
12,742
Annual payroll, 2023
$432.9M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
419139 chain locations
Listings at the U.S. rate for this spending
404The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
7
Amount
$3.6M

SBA-backed loans to businesses classed as supermarkets and grocery stores in Nassau 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 Nassau County

Population, 2025 estimate
1,398,939+0.6% since 2020
Households
458,166
Median age
42.4
Homes lived in by their owners
82%
Vehicles per household
1.9
Land area
285 sq. mi.
People per square mile
4,884
Median household income
$146,202+25.9% vs. 2015–2019, before inflation
Average household income
$191,703
Median home value
$684,700
Jobs located here
639,475
Daytime population
1,328,680Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Nassau 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 grocery stores on map listings by name and distance.

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

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Grocery stores across New York

Every New York market ranked →

The highest-scoring counties in New York for grocery stores, numbered among those based in New York, with Nassau County marked.

Top counties in New York

Counties in New York ranked for grocery stores by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Saratoga County, NY81626.1$12M+2.3%#173 of 2,070
2Ontario County, NY77285.8$11.8M+0.6%#252 of 2,070
3Herkimer County, NY74103.9$16.3M−1.4%#307 of 2,070
4Genesee County, NY7083.2$20.1M+0.2%#399 of 2,070
5Schoharie County, NY7097.0$9.2M+1.4%#422 of 2,070
6Niagara County, NY67404.4$14.8M−1.5%#474 of 2,070
7Ulster County, NY62435.8$12M+1.1%#611 of 2,070
8Rensselaer County, NY61416.1$11.2M−0.2%#648 of 2,070
9Fulton County, NY61146.1$10.3M−1.6%#654 of 2,070
10Wayne County, NY61256.5$10M+0.1%#656 of 2,070
35Nassau County, NY494199.1$9M+0.6%#1,043 of 2,070

Other business types in Nassau County

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

Questions

How many grocery stores are in Nassau County, NY?

As of September 2026, map listings count 419 grocery stores in Nassau County. 139 of them (33%) are chain locations. The listings count grocery stores and supermarkets. Official counts show 452 businesses with payroll classed as supermarkets and grocery stores in 2023, down 9.4% from 2019.

How much do households in Nassau County, NY spend on groceries?

About $3.8B a year, or $8,193 per household. That is 30% above the U.S. average (an index of 130, where 100 is the U.S. average). Spread across the 419 grocery stores on map listings, it comes to $9M per store. That spending covers all groceries, which grocery stores share with other businesses in the trade. It is estimated from the incomes of the 458,166 households in Nassau County and national spending patterns by income.

How does Nassau County, NY compare with the U.S. for grocery stores?

Nassau County has 9.1 grocery stores per 10,000 households, 34% above the U.S. rate of 6.8. Spending per store is $9M, 4% below the U.S. figure of $9.3M. At the U.S. ratio of grocery stores to household spending, Nassau County would have about 404, against 419 on map listings. There is one business with payroll in the industry for every 1,014 households, against one for every 2,053 across the U.S. The official count fell 9.4% from 2019 to 2023, against 0.0% for the U.S.

How fast is Nassau County, NY growing?

Population estimates put Nassau County at 1,398,939 people in 2025, up 0.6% since 2020, slower than the U.S. (+3.1%). It has 458,166 households. The median household income in Nassau County is $146,202 a year, 81% above the U.S. median of $80,734. That rose 25.9% from the 2015–2019 survey, 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. Nassau County scores 49 for grocery stores (lower middle), #1,043 of 2,070 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Nassau County. It maps the grocery 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 grocery stores · All 56 business types in Nassau County

Screening a site or an acquisition in Nassau 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 Nassau 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.