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Gas stations in Maryland

How many gas stations exist per person present (residents + daytime workers) across the 11 Maryland counties we cover, by ZIP code, compared with the U.S. average. Data: Census ZBP 2023 + ACS 2024 + BLS QCEW.

Includes: Gas stations with a convenience store · Fuel + mart locations. Counted together because official statistics use one 447110 code.

State verdict (covered counties): Well below the U.S. rate — 50% of the U.S. rate

Counties covered

in Maryland

Gas stations

763

establishments (2023)

Per 10,000 present

1.2

residents + 0.5×workers

U.S. average

2.4

per 10,000 present

State index

50%

vs. U.S.

Residents

5,435,838

in covered counties

Workers

2,082,811

jobs in covered counties

Coverage. This page aggregates only the 11 Maryland 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 gas stations and the people present, not foot traffic, income, rent, or whether locals want more.

Counties in Maryland

City	County	Gas stations	Residents	Workers	Per 10k	Index	Verdict
Hagerstown	Washington County	29–55	155,404	60,851	1.6	66–116%	Range spans bands
Beltsville	Prince George's County	165–209	951,497	273,232	1.5	64–72%	Below average
Owings Mills	Baltimore County	135–189	811,235	333,648	1.4	58–79%	Range spans bands
Bel Air	Harford County	40–68	262,768	79,293	1.3	56–95%	Range spans bands
Baltimore	Baltimore city	92–120	622,980	291,829	1.2	50–60%	Range spans bands
Annapolis	Anne Arundel County	79–129	579,103	233,423	1.1	48–75%	Range spans bands
Westminster	Carroll County	21–39	169,714	49,935	1.1	45–80%	Range spans bands
La Plata	Charles County	20–54	170,349	35,482	1.1	45–117%	Range spans bands
Frederick	Frederick County	37–75	299,035	100,227	1.1	45–91%	Range spans bands
Columbia	Howard County	37–65	336,999	188,514	0.9	36–60%	Well below average
Rockville	Montgomery County	108–192	1,076,754	436,377	0.8	35–51%	Well below average

Scroll the table sideways to see all columns.

Lowest vs. highest measured density

Fewest competitors per capita

66%

64%

58%

56%

50%

48%

45%

45%

Most competitors per capita

35%

36%

45%

45%

45%

48%

50%

56%

Low measured density is not evidence of opportunity. A county with few gas stations 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.