What are the best areas for solar in Maryland?

The top-rated areas for solar in Maryland are ZIP 21710 (score: 100/100), ZIP 21252 (score: 100/100), ZIP 20716 (score: 100/100). Rankings are based on walkability, median household income, population density, and existing competition.

What makes a good location for solar?

A strong location for solar combines high walkability (foot traffic), solid median income (spending power), sufficient population density, and manageable competition. Our opportunity score weighs all four factors on a 0–100 scale.

How does Maryland compare to other states for solar?

Maryland averages 100/100 across 20 scored ZIP codes — rated a excellent market. Scores factor in walkability, income, population, and competition.

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Best Cities for Solar Panel Costs in Maryland

← Maryland Overview

Top 20 ZIP codes ranked by opportunity score. Score combines walkability (foot traffic), population density, median income, and solar installers competition.

The top markets here average $157,253 in household income. ZIP 21710 leads at 100, $164,727 median income, zero existing solar installers.

80–100 Excellent 60–79 Good 40–59 Fair <40 Challenging

Sort by:

#	ZIP Code	Score	Walkability	Median Income
#1	ZIP 21710 Pop. 4.9 Thousand	100 Excellent	—	$164,727
#2	ZIP 21252 Pop. 4.7 Thousand	100 Excellent	—	—
#3	ZIP 20716 Pop. 23 Thousand	100 Excellent	—	$122,683
#4	ZIP 20721 Pop. 30 Thousand	100 Excellent	—	$167,689
#5	ZIP 20637 Pop. 6.3 Thousand	100 Excellent	—	$149,821
#6	ZIP 20732 Pop. 11 Thousand	100 Excellent	—	$135,925
#7	ZIP 20742 Pop. 4.3 Thousand	100 Excellent	—	—
#8	ZIP 21770 Pop. 7.8 Thousand	100 Excellent	—	$184,464
#9	ZIP 21773 Pop. 5.6 Thousand	100 Excellent	—	$152,839
#10	ZIP 21774 Pop. 17 Thousand	100 Excellent	—	$171,875
#11	ZIP 21163 Pop. 7 Thousand	100 Excellent	—	$131,154
#12	ZIP 21162 Pop. 4.5 Thousand	100 Excellent	—	$168,021
#13	ZIP 21140 Pop. 4.2 Thousand	100 Excellent	—	$152,188
#14	ZIP 20769 Pop. 7.1 Thousand	100 Excellent	—	$170,117
#15	ZIP 21111 Pop. 4.7 Thousand	100 Excellent	—	$135,781
#16	ZIP 21029 Pop. 14 Thousand	100 Excellent	—	$250,001
#17	ZIP 20905 Pop. 18 Thousand	100 Excellent	—	$155,023
#18	ZIP 20603 Pop. 33 Thousand	100 Excellent	—	$137,138
#19	ZIP 20901 Pop. 37 Thousand	100 Excellent	—	$127,133
#20	ZIP 21054 Pop. 15 Thousand	100 Excellent	—	$153,976

Data updated March 2026. Sources: Census Bureau ACS 2023, USDA National Walkability Index 2021, County Business Patterns 2022.

What the Data Shows

Opportunity is spread across Maryland, not locked in one metro. The top ZIPs average $157,253 in household income. The common thread: solar demand that outpaces supply. These markets have room.

How to Use This Table

Click any ZIP for a full breakdown: demographics, nearby competition, and walkability score. The opportunity score weights income, foot traffic, and competition equally. If your concept skews upscale, sort by Income. If lunch crowds matter more, sort by Walkability.

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