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Gyms in New Hampshire

How many gyms exist per person present (residents + daytime workers) across the 4 New Hampshire 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): Above the U.S. rate — 157% of the U.S. rate

Counties covered

in New Hampshire

Gyms

201

establishments (2023)

Per 10,000 present

1.6

residents + 0.5×workers

U.S. average

1.0

per 10,000 present

State index

157%

vs. U.S.

Residents

1,027,522

in covered counties

Workers

433,539

jobs in covered counties

Coverage. This page aggregates only the 4 New Hampshire 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 Hampshire

City	County	Gyms	Residents	Workers	Per 10k	Index	Verdict
Portsmouth	Rockingham County	84–148	319,082	150,068	2.1	208–331%	Range spans bands
Manchester	Hillsborough	85–131	426,425	184,159	1.6	160–235%	High density
Concord	Merrimack County	19–71	151,026	60,154	1.0	102–371%	Range spans bands
Dover	Strafford County	13–41	130,989	39,158	0.9	84–239%	Range spans bands

Scroll the table sideways to see all columns.

Lowest vs. highest measured density

Fewest competitors per capita

208%

160%

102%

84%

Most competitors per capita

84%

102%

160%

208%

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.