Groundwork

Groceries and convenience · Metro area · Maine

Grocery stores in the Portland-South Portland, ME metro area

The grocery stores in the Portland-South Portland, ME metro area, the household spending behind them and how the market ranks against other metro areas.

Groundwork market score · out of 100

Score 50 out of 100: Upper middle

Ranked #206 of 387 scored metro areas
#1 of 3 scored metro areas based in Maine

Listings
184
65 chain locations (35%)
Official establishments
123
−4.6% since 2019
Household spending a year
$1.7B
On groceries · $7,055 a household
Spending per listing
$9.2M
In line with the U.S.
Listings per 10k households
7.7
13% above the U.S.
Population, 2025
577,635
+4.5% since 2020

See the grocery stores around any address in the Portland-South Portland metro area

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 the Portland-South Portland metro area. 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

Map listings as of September 2026 show 184 grocery stores in the Portland-South Portland metro area. Of those, 65 are chain locations, or 35%, against 37% across the U.S. That is 7.7 per 10,000 households, 13% above the U.S. rate of 6.8.

Household spending on groceries in the Portland-South Portland metro area comes to about $1.7B a year: $7,055 per household, 12% above the U.S. average. Spread across 184 grocery stores, that is $9.2M per store, in line with the U.S. figure of $9.3M. That spending covers all groceries, which grocery stores share with other businesses in the trade.

In 2023, official counts showed 123 businesses with payroll in the Portland-South Portland metro area classed as supermarkets and grocery stores, down 4.6% from 2019. That is one for every 1,951 households, against one for every 2,053 across the U.S. Since fiscal 2022, 13 SBA-backed loans worth $7.9M have gone to businesses classed as supermarkets and grocery stores in the Portland-South Portland metro area.

Population estimates show the Portland-South Portland metro area grew 4.5% from 2020 to 2025, faster than the U.S. (+3.1%). The Groundwork market score for grocery stores in the Portland-South Portland metro area is 50 (upper middle), #206 of 387 scored metro areas and #1 of 3 scored metro areas based in Maine.

How the Portland-South Portland metro area compares

The same measures for Maine 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 Portland-South Portland, ME metro area compared with Maine and the U.S.
MeasurePortland-South Portland metro areaMaineU.S.
Listings per 10k households7.78.96.8
Spending per listing$9.2M$7.4M$9.3M
Households per official establishment1,9511,6732,053
Official establishment growth, 2019–2023−4.6%−3.0%0.0%
Population growth, 2020–2025+4.5%+3.7%+3.1%
Spending per household on groceries$7,055$6,619$6,319
Median household income$92,175$74,733$80,734
Groundwork market score5035

Official counts and lending

Businesses

Official establishments, 2019 to 2023
123−4.6% over the period
Employees, 2023
7,959
Annual payroll, 2023
$230.9M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
18465 chain locations
Listings at the U.S. rate for this spending
182The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
13
Amount
$7.9M

SBA-backed loans to businesses classed as supermarkets and grocery stores in the Portland-South Portland metro area, 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 the Portland-South Portland metro area

Population, 2025 estimate
577,635+4.5% since 2020
Households
240,027
Median age
44.3
Homes lived in by their owners
73%
Vehicles per household
1.8
Land area
2,081 sq. mi.
People per square mile
270
Median household income
$92,175+31.2% vs. 2015–2019, before inflation
Average household income
$119,924
Median home value
$420,000
Jobs located here
284,437
Daytime population
573,648Residents who don’t work, plus everyone whose job is here

Looking at a specific site in the Portland-South Portland metro area?

These figures cover the whole metro area. 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 the Portland-South Portland metro area. Signed out, you see a blurred preview; on an account, each report is one action.

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Grocery stores across Maine

Every Maine market ranked →

The highest-scoring metro areas in Maine for grocery stores, numbered among those based in Maine, with the Portland-South Portland metro area marked.

Top metro areas in Maine

Metro areas in Maine ranked for grocery stores by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Portland-South Portland, ME501847.7$9.2M+4.5%#206 of 387
2Lewiston-Auburn, ME46326.8$9.3M+4.8%#227 of 387
3Bangor, ME43507.7$8.3M+3.8%#245 of 387

Other business types in the Portland-South Portland metro area

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

Questions

How many grocery stores are in the Portland-South Portland, ME metro area?

There are 184 grocery stores on map listings in the Portland-South Portland metro area as of September 2026. 65 of them (35%) are chain locations. The listings count grocery stores and supermarkets. Official counts show 123 businesses with payroll classed as supermarkets and grocery stores in 2023, down 4.6% from 2019.

How much do households in the Portland-South Portland, ME metro area spend on groceries?

About $1.7B a year, or $7,055 per household. That is 12% above the U.S. average (an index of 112, where 100 is the U.S. average). Spread across the 184 grocery stores on map listings, it comes to $9.2M per store. The spending figure covers all groceries, not only grocery stores. It is estimated from the incomes of the 240,027 households in the Portland-South Portland metro area and national spending patterns by income.

How does the Portland-South Portland, ME metro area compare with the U.S. for grocery stores?

The Portland-South Portland metro area has 7.7 grocery stores per 10,000 households, 13% above the U.S. rate of 6.8. Spending per store is $9.2M, in line with the U.S. figure of $9.3M. At the national ratio of grocery stores to household spending, the Portland-South Portland metro area would have about 182, against 184 on map listings. There is one business with payroll in the industry for every 1,951 households, against one for every 2,053 across the U.S. The official count fell 4.6% from 2019 to 2023, against 0.0% for the U.S.

How fast is the Portland-South Portland, ME metro area growing?

Population estimates put the Portland-South Portland metro area at 577,635 people in 2025, up 4.5% since 2020, faster than the U.S. (+3.1%). It has 240,027 households. Median household income in the Portland-South Portland metro area is $92,175, 14% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 31.2%, 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. The Portland-South Portland metro area scores 50 for grocery stores (upper middle), #206 of 387 scored metro areas.

How can I see the market around a specific site?

Run a Groundwork site report on an address in the Portland-South Portland metro area. 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 the Portland-South Portland metro area

Screening a site or an acquisition in the Portland-South Portland metro area?

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 the Portland-South Portland metro area. 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.