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Best Cities for Solar Panel Costs in Delaware

← Delaware 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 $105,220 in household income, with 10.7 existing solar installers per ZIP. ZIP 19807 leads at 100, $156,905 median income, zero existing solar installers.

80–100 Excellent 60–79 Good 40–59 Fair <40 Challenging
Sort by:
# ZIP Code Score
#1 ZIP 19807
Pop. 7.8 Thousand
100
Excellent
#2 ZIP 19717
Pop. 6.5 Thousand
100
Excellent
#3 ZIP 19962
Pop. 13 Thousand
94
Excellent
#4 ZIP 19709
Pop. 51 Thousand
87
Excellent
#5 ZIP 19930
Pop. 2.9 Thousand
84
Excellent
#6 ZIP 19806
Pop. 9.9 Thousand
82
Excellent
#7 ZIP 19975
Pop. 10 Thousand
82
Excellent
#8 ZIP 19720
Pop. 61 Thousand
77
Good
#9 ZIP 19946
Pop. 5.5 Thousand
76
Good
#10 ZIP 19952
Pop. 11 Thousand
76
Good
#11 ZIP 19707
Pop. 17 Thousand
76
Good
#12 ZIP 19702
Pop. 56 Thousand
76
Good
#13 ZIP 19804
Pop. 18 Thousand
75
Good
#14 ZIP 19953
Pop. 4.6 Thousand
74
Good
#15 ZIP 19810
Pop. 26 Thousand
73
Good
#16 ZIP 19701
Pop. 45 Thousand
73
Good
#17 ZIP 19734
Pop. 14 Thousand
72
Good
#18 ZIP 19808
Pop. 38 Thousand
71
Good
#19 ZIP 19803
Pop. 22 Thousand
71
Good
#20 ZIP 19711
Pop. 49 Thousand
69
Good
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 Delaware, not locked in one metro. The top ZIPs average $105,220 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.