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Solar Panel Costs in Delaware

Aggregated from 68 ZIP codes · Data updated March 2026

Best Markets in DE ›
56
Avg Opportunity Score
Fair
1 Million
Total Population
$78 Thousand
Avg Median Income
265
Registered Solar Installers

Delaware has 265 registered solar installers across 68 ZIP codes, serving a population of 1 Million. Median household income averages $78,230, close to the national median.

Mixed picture. The 56/100 state average covers a wide spread: a few standout ZIP codes, a lot of middling ones. Competition runs about 3.9 businesses per ZIP. Location selection matters more here than in higher-scoring states.

Top ZIP Codes in Delaware

See all 20 ›
#1
ZIP 19807 Pop. 7.8 Thousand
100
score
#2
ZIP 19717 Pop. 6.5 Thousand
100
score
#3
ZIP 19962 Pop. 13 Thousand
94
score
#4
ZIP 19709 Pop. 51 Thousand
87
score
#5
ZIP 19930 Pop. 2.9 Thousand
84
score
#6
ZIP 19806 Pop. 9.9 Thousand
82
score
#7
ZIP 19975 Pop. 10 Thousand
82
score
#8
ZIP 19720 Pop. 61 Thousand
77
score
#9
ZIP 19946 Pop. 5.5 Thousand
76
score
#10
ZIP 19952 Pop. 11 Thousand
76
score

Data sources: Census Bureau American Community Survey 2023, USDA National Walkability Index 2021, County Business Patterns 2022, FDIC Summary of Deposits 2023.