Groundwork

Groceries and convenience · County · Maine

Grocery and convenience stores in Knox County, ME

How Knox County, ME compares with other counties and the U.S. for grocery and convenience stores: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 33 out of 100: Lower middle

Ranked #1,873 of 2,402 scored counties
#12 of 16 scored counties in Maine

Listings
71
14 chain locations (20%)
Official establishments
25
0.0% since 2019
Household spending a year
$122.8M
On groceries · $6,643 a household
Spending per listing
$1.7M
49% below the U.S.
Listings per 10k households
38.4
2.1 times the U.S.
Population, 2025
41,117
+1.1% since 2020

See the grocery and convenience stores around any address in Knox County

The site report maps the grocery and 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 Knox 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

Knox County scores 33 (lower middle) on the Groundwork market score for grocery and convenience stores, ranking #1,873 of 2,402 scored counties and #12 of 16 scored counties in Maine. That puts it in the bottom quarter of counties.

Household spending on groceries in Knox County comes to about $122.8M a year: $6,643 per household, 5% above the U.S. average. That is about $1.7M of household spending for each store on map listings, 49% below the U.S. figure of $3.4M.

There are 71 grocery and convenience stores on map listings in Knox County as of September 2026. Chain locations make up 20% of them, against 42% across the U.S. That comes to 38.4 for every 10,000 households, 2.1 times the U.S. rate of 18.7.

The official count of businesses with payroll classed as grocery and convenience stores in Knox County was 25 in 2023, unchanged from 2019. That is one for every 739 households, against one for every 1,293 across the U.S. Since fiscal 2022, 4 SBA-backed loans worth $5.1M have gone to businesses classed as grocery and convenience stores in Knox County. Between 2020 and 2025, the population of Knox County grew 1.1%, slower than the U.S. (+3.1%).

How Knox County 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 and 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.

Grocery and convenience stores in Knox County, ME compared with Maine and the U.S.
MeasureKnox CountyMaineU.S.
Listings per 10k households38.431.618.7
Spending per listing$1.7M$2.1M$3.4M
Households per official establishment7391,0531,293
Official establishment growth, 2019–20230.0%+0.2%+7.2%
Population growth, 2020–2025+1.1%+3.7%+3.1%
Spending per household on groceries$6,643$6,619$6,319
Median household income$74,096$74,733$80,734
Groundwork market score3333

Official counts and lending

Businesses

Official establishments, 2019 to 2023
25 → 250.0% over the period
Employees, 2023
731
Annual payroll, 2023
$19.7M
One-person businesses, 2023
0Businesses with no payroll
Map listings, September 2026
7114 chain locations
Listings at the U.S. rate for this spending
36The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
4
Amount
$5.1M

SBA-backed loans to businesses classed as grocery and convenience stores in Knox 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 Knox County

Population, 2025 estimate
41,117+1.1% since 2020
Households
18,484
Median age
49.3
Homes lived in by their owners
79%
Vehicles per household
1.8
Land area
365 sq. mi.
People per square mile
112
Median household income
$74,096+28.3% vs. 2015–2019, before inflation
Average household income
$99,101
Median home value
$324,900
Jobs located here
16,342
Daytime population
41,779Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Knox 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 and convenience stores on map listings by name and distance.

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

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Grocery and convenience stores across Maine

Every Maine market ranked →

The highest-scoring counties in Maine for grocery and convenience stores, numbered among those based in Maine, with Knox County marked.

Top counties in Maine

Counties in Maine ranked for grocery and convenience stores by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Sagadahoc County, ME703823.1$3M+3.4%#453 of 2,402
2York County, ME6123725.9$2.7M+4.8%#774 of 2,402
3Cumberland County, ME5934526.1$2.7M+4.5%#841 of 2,402
4Androscoggin County, ME5311825.1$2.5M+4.8%#1,089 of 2,402
5Kennebec County, ME5115428.4$2.3M+3.5%#1,183 of 2,402
6Oxford County, ME507631.5$2M+4.2%#1,225 of 2,402
7Penobscot County, ME4619830.4$2.1M+3.8%#1,373 of 2,402
8Piscataquis County, ME413541.7$1.5M+3.5%#1,579 of 2,402
9Waldo County, ME377040.1$1.6M+2.6%#1,730 of 2,402
10Somerset County, ME367331.5$1.9M+2.3%#1,758 of 2,402
12Knox County, ME337138.4$1.7M+1.1%#1,873 of 2,402

Other business types in Knox County

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

Questions

How many grocery and convenience stores are in Knox County, ME?

As of September 2026, map listings count 71 grocery and convenience stores in Knox County. 14 of them (20%) are chain locations. The listings count grocery, convenience and specialty food stores. Official counts show 25 businesses with payroll classed as grocery and convenience stores in 2023, unchanged from 2019.

How much do households in Knox County, ME spend on groceries?

About $122.8M a year, or $6,643 per household. That is 5% above the U.S. average (an index of 105, where 100 is the U.S. average). Spread across the 71 grocery and convenience stores on map listings, it comes to $1.7M per store. It is estimated from the incomes of the 18,484 households in Knox County and national spending patterns by income.

How does Knox County, ME compare with the U.S. for grocery and convenience stores?

Knox County has 38.4 grocery and convenience stores per 10,000 households, 2.1 times the U.S. rate of 18.7. Spending per store is $1.7M, 49% below the U.S. figure of $3.4M. At the U.S. ratio of grocery and convenience stores to household spending, Knox County would have about 36, against 71 on map listings. There is one business with payroll in the industry for every 739 households, against one for every 1,293 across the U.S. The official count held level from 2019 to 2023, against +7.2% for the U.S.

How fast is Knox County, ME growing?

Population estimates put Knox County at 41,117 people in 2025, up 1.1% since 2020, slower than the U.S. (+3.1%). It has 18,484 households. The median household income in Knox County is $74,096 a year, 8% below the U.S. median of $80,734. That rose 28.3% 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. Knox County scores 33 for grocery and convenience stores (lower middle), #1,873 of 2,402 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Knox 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 Knox 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.