Groundwork

Groceries and convenience · County · California

Grocery stores in Mariposa County, CA

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

Groundwork market score · out of 100

Score 22 out of 100: Low

Ranked #1,837 of 2,070 scored counties
#46 of 55 scored counties in California

Listings
8
1 chain location (13%)
Official establishments
6
Businesses with payroll, 2023
Household spending a year
$43.7M
On groceries · $5,817 a household
Spending per listing
$5.5M
41% below the U.S.
Listings per 10k households
10.7
57% above the U.S.
Population, 2025
16,918
−1.2% since 2020

See the grocery stores around any address in Mariposa 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 Mariposa 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

Mariposa County scores 22 (low) on the Groundwork market score for grocery stores, ranking #1,837 of 2,070 scored counties and #46 of 55 scored counties in California. That puts it in the bottom quarter of counties.

Households in Mariposa County spend about $43.7M a year on groceries, or $5,817 per household, 8% below the U.S. average. Spread across 8 grocery stores, that is $5.5M per store, 41% below the U.S. figure of $9.3M. The spending figure covers all groceries, not only grocery stores.

Mariposa County has 8 grocery stores on map listings as of September 2026. One of them (13%) is a chain location, against 37% across the U.S. That is 10.7 per 10,000 households, 57% above the U.S. rate of 6.8.

In 2023, official counts showed 6 businesses with payroll in Mariposa County classed as supermarkets and grocery stores. That is one for every 1,251 households, against one for every 2,053 across the U.S. Population estimates show Mariposa County declined 1.2% from 2020 to 2025, against +3.1% for the U.S.

How Mariposa County compares

The same measures for California 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 Mariposa County, CA compared with California and the U.S.
MeasureMariposa CountyCaliforniaU.S.
Listings per 10k households10.77.26.8
Spending per listing$5.5M$9.1M$9.3M
Households per official establishment1,2511,6842,053
Official establishment growth, 2019–2023n/a+4.0%0.0%
Population growth, 2020–2025−1.2%−0.4%+3.1%
Spending per household on groceries$5,817$6,548$6,319
Median household income$68,412$99,122$80,734
Groundwork market score2234

Official counts and lending

Businesses

Official establishments, 2019 to 2023
6 → 6
Employees, 2023
103
Annual payroll, 2023
$4.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
81 chain location
Listings at the U.S. rate for this spending
5The 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 supermarkets and grocery stores in Mariposa 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 Mariposa County

Population, 2025 estimate
16,918−1.2% since 2020
Households
7,508
Median age
51.9
Homes lived in by their owners
75%
Vehicles per household
2.1
Land area
1,449 sq. mi.
People per square mile
12
Median household income
$68,412+40.1% vs. 2015–2019, before inflation
Average household income
$89,438
Median home value
$387,900
Jobs located here
5,459
Daytime population
13,699Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Mariposa 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 Mariposa County. Signed out, you see a blurred preview; on an account, each report is one action.

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Grocery stores across California

Every California market ranked →

The highest-scoring counties in California for grocery stores, numbered among those based in California, with Mariposa County marked.

Top counties in California

Counties in California ranked for grocery stores by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Placer County, CA80744.7$14.6M+8.9%#184 of 2,070
2El Dorado County, CA69385.0$13.5M+0.6%#427 of 2,070
3Solano County, CA66774.9$13.4M+0.6%#498 of 2,070
4Riverside County, CA664646.0$10.6M+5.0%#513 of 2,070
5Contra Costa County, CA632425.8$12.1M+0.3%#588 of 2,070
6Santa Clara County, CA624046.1$12.3M−0.9%#609 of 2,070
7Orange County, CA626195.7$12M−1.1%#610 of 2,070
8San Diego County, CA616575.6$11.9M−0.6%#643 of 2,070
9San Benito County, CA60199.2$7.4M+8.6%#693 of 2,070
10Calaveras County, CA56116.0$10.3M+2.8%#802 of 2,070
46Mariposa County, CA22810.7$5.5M−1.2%#1,837 of 2,070

Other business types in Mariposa County

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

Questions

How many grocery stores are in Mariposa County, CA?

Map listings as of September 2026 show 8 grocery stores in Mariposa County. One of them (13%) is a chain location. The listings count grocery stores and supermarkets. Official counts show 6 businesses with payroll classed as supermarkets and grocery stores in 2023.

How much do households in Mariposa County, CA spend on groceries?

About $43.7M a year, or $5,817 per household. That is 8% below the U.S. average (an index of 92, where 100 is the U.S. average). Spread across the 8 grocery stores on map listings, it comes to $5.5M 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 7,508 households in Mariposa County and national spending patterns by income.

How does Mariposa County, CA compare with the U.S. for grocery stores?

Mariposa County has 10.7 grocery stores per 10,000 households, 57% above the U.S. rate of 6.8. Spending per store is $5.5M, 41% below the U.S. figure of $9.3M. At the U.S. ratio of grocery stores to household spending, Mariposa County would have about 5, against 8 on map listings. There is one business with payroll in the industry for every 1,251 households, against one for every 2,053 across the U.S.

How fast is Mariposa County, CA growing?

Population estimates put Mariposa County at 16,918 people in 2025, down 1.2% since 2020, against +3.1% for the U.S. It has 7,508 households. The median household income in Mariposa County is $68,412 a year, 15% below the U.S. median of $80,734. That rose 40.1% 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. Mariposa County scores 22 for grocery stores (low), #1,837 of 2,070 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Mariposa 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 Mariposa County

Screening a site or an acquisition in Mariposa 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 Mariposa 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.