Groundwork

Health care · County · New Jersey

Optometrists and eye clinics in Mercer County, NJ

How Mercer County, NJ compares with other counties and the U.S. for optometrists and eye clinics: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 56 out of 100: Upper middle

Ranked #539 of 1,302 scored counties
#15 of 20 scored counties in New Jersey

Listings
77
19 chain locations (25%)
Official establishments
23
+15.0% since 2019
Household spending a year
$197.8M
On medical and dental services · $1,372 a household
Spending per listing
$2.6M
18% below the U.S.
Listings per 10k households
5.3
29% above the U.S.
Population, 2025
399,289
+3.3% since 2020

See the optometrists and eye clinics around any address in Mercer County

The site report maps the optometrists and eye clinics 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 card

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

What this means

At $1,372 per household (7% above the U.S. average), households in Mercer County spend about $197.8M a year on medical and dental services. That works out to $2.6M per practice, 18% below the U.S. figure of $3.1M. The spending figure covers all medical and dental services, not only optometrists and eye clinics.

Mercer County has 77 optometrists and eye clinics on map listings as of September 2026. Of those, 19 are chain locations, or 25%, against 20% across the U.S. That comes to 5.3 for every 10,000 households, 29% above the U.S. rate of 4.1.

In 2023, official counts showed 23 businesses with payroll in Mercer County classed as offices of optometrists, up 15.0% from 2019. That is one for every 6,266 households, against one for every 5,742 across the U.S.

Population estimates show Mercer County grew 3.3% from 2020 to 2025, in step with the U.S. (+3.1%). The Groundwork market score for optometrists and eye clinics in Mercer County is 56 (upper middle), #539 of 1,302 scored counties and #15 of 20 scored counties in New Jersey.

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 medical and dental services by the optometrists and eye clinics counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Optometrists and eye care in Mercer County, NJ compared with New Jersey and the U.S.
MeasureMercer CountyNew JerseyU.S.
Listings per 10k households5.34.44.1
Spending per listing$2.6M$3.2M$3.1M
Households per official establishment6,2665,6855,742
Official establishment growth, 2019–2023+15.0%+6.9%+0.2%
Population growth, 2020–2025+3.3%+3.0%+3.1%
Spending per household on medical and dental services$1,372$1,385$1,288
Median household income$100,645$103,556$80,734
Groundwork market score5653

Official counts and lending

Businesses

Official establishments, 2019 to 2023
20 → 23+15.0% over the period
Employees, 2023
126
Annual payroll, 2023
$6.8M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
7719 chain locations
Listings at the U.S. rate for this spending
63The 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 offices of optometrists 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.

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 optometrists and eye clinics 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.

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Optometrists and eye care across New Jersey

Every New Jersey market ranked →

The highest-scoring counties in New Jersey for optometrists and eye clinics, numbered among those based in New Jersey, with Mercer County marked.

Top counties in New Jersey

Counties in New Jersey ranked for optometrists and eye clinics by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Hudson County, NJ74782.6$5.1M+1.8%#130 of 1,302
2Essex County, NJ741133.5$3.6M+4.2%#143 of 1,302
3Atlantic County, NJ71302.7$4.4M+1.6%#181 of 1,302
4Hunterdon County, NJ70173.3$4.8M+2.3%#197 of 1,302
5Sussex County, NJ67223.8$3.8M+2.9%#258 of 1,302
6Ocean County, NJ651144.7$2.7M+5.6%#311 of 1,302
7Warren County, NJ64153.3$3.9M+3.2%#318 of 1,302
8Cape May County, NJ64163.6$3.6M−1.7%#320 of 1,302
9Gloucester County, NJ64443.9$3.5M+3.3%#323 of 1,302
10Camden County, NJ63753.7$3.4M+2.4%#347 of 1,302
15Mercer County, NJ56775.3$2.6M+3.3%#539 of 1,302

Other business types in Mercer County

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

Questions

How many optometrists and eye clinics are in Mercer County, NJ?

Map listings as of September 2026 show 77 optometrists and eye clinics in Mercer County. 19 of them (25%) are chain locations. The listings count optometrists and eye clinics. Official counts show 23 businesses with payroll classed as offices of optometrists in 2023, up 15.0% from 2019.

How much do households in Mercer County, NJ spend on medical and dental services?

About $197.8M a year, or $1,372 per household. That is 7% above the U.S. average (an index of 107, where 100 is the U.S. average). Spread across the 77 optometrists and eye clinics on map listings, it comes to $2.6M per practice. That spending covers all medical and dental services, which optometrists and eye clinics 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 optometrists and eye clinics?

Mercer County has 5.3 optometrists and eye clinics per 10,000 households, 29% above the U.S. rate of 4.1. Spending per practice is $2.6M, 18% below the U.S. figure of $3.1M. At the U.S. ratio of optometrists and eye clinics to household spending, Mercer County would have about 63, against 77 on map listings. There is one business with payroll in the industry for every 6,266 households, against one for every 5,742 across the U.S. The official count rose 15.0% from 2019 to 2023, against +0.2% 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 56 for optometrists and eye clinics (upper middle), #539 of 1,302 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 optometrists and eye clinics 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 optometrists and eye clinics · 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.