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Gyms in New Jersey

How many gyms exist per person present (residents + daytime workers) across the 18 New Jersey counties we cover, by ZIP code, compared with the U.S. average. Data: Census ZBP 2023 + ACS 2024 + BLS QCEW.

Includes: Gyms & fitness centers · CrossFit boxes · Boxing, martial arts & dance studios · Recreational sports centers. Counted together because official statistics use one 713940 code.

State verdict (covered counties): In line with the U.S. rate — 109% of the U.S. rate

Counties covered

in New Jersey

Gyms

1,210

establishments (2023)

Per 10,000 present

1.1

residents + 0.5×workers

U.S. average

1.0

per 10,000 present

State index

109%

vs. U.S.

Residents

9,064,682

in covered counties

Workers

3,583,057

jobs in covered counties

Coverage. This page aggregates only the 18 New Jersey counties BizGapMap covers — not the whole state. Counts and the index reflect those counties. The aggregate index uses only ZIP cells Census published, so it is a lower bound. Density is a supply-side signal: it counts existing gyms and the people present, not foot traffic, income, rent, or whether locals want more.

Counties in New Jersey

City	County	Gyms	Residents	Workers	Per 10k	Index	Verdict
Freehold	Monmouth County	137–207	661,305	260,563	1.7	169–240%	High density
Parsippany	Morris County	99–173	492,888	294,077	1.5	151–248%	High density
Union	Union County	106–138	602,051	207,358	1.5	146–179%	Range spans bands
Paramus	Bergen County	164–234	962,316	439,299	1.4	135–186%	Range spans bands
Somerset	Somerset County	54–96	314,362	174,691	1.3	131–213%	Range spans bands
Princeton	Mercer County	65–105	395,671	210,496	1.3	126–177%	Range spans bands
Flemington	Hunterdon County	18–66	133,199	43,352	1.2	113–327%	Range spans bands
Mount Laurel	Burlington County	61–113	463,909	198,662	1.1	106–195%	Range spans bands
Camden	Camden County	68–126	542,442	196,253	1.1	103–179%	Range spans bands
Jersey City	Hudson County	89–107	718,323	250,911	1.1	103–114%	Above average
Vineland	Cumberland County	18–48	156,846	48,353	1.0	97–237%	Range spans bands
Newark	Essex County	98–128	863,415	293,932	1.0	94–118%	Range spans bands
Lakewood	Ocean County	61–99	653,364	171,260	0.8	80–125%	Range spans bands
Swedesboro	Gloucester County	25–65	288,429	98,548	0.7	72–188%	Range spans bands
Edison	Middlesex County	75–135	863,519	412,014	0.7	68–110%	Range spans bands
Newton	Sussex County	11–53	147,069	29,529	0.7	66–247%	Range spans bands
Atlantic City	Atlantic County	22–72	273,874	107,989	0.7	65–190%	Range spans bands
Wayne	Passaic County	39–99	531,700	145,770	0.6	63–134%	Range spans bands

Scroll the table sideways to see all columns.

Lowest vs. highest measured density

Fewest competitors per capita

169%

151%

146%

135%

131%

126%

113%

106%

Most competitors per capita

63%

65%

66%

68%

72%

80%

94%

97%

Low measured density is not evidence of opportunity. A county with few gyms may simply lack foot traffic, retail space, or demand. Use the ranking to find where to look, then verify locally.

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BizGapMap — free, no-login small-business saturation reports for major U.S. counties. Built entirely from public U.S. Census, BLS, and IRS data (ZBP 2023, ACS 2024 5-year, PEP 2024, LODES, QCEW, IRS SOI). No forecasts, no revenue guesses — withheld cells are marked, and the few derived counts are labelled as estimates.