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Best Cities for Solar in Illinois

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

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

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#	ZIP Code	Score	Walkability	Median Income
#1	ZIP 62684 Pop. 5.4 Thousand	100 Excellent	—	$142,155
#2	ZIP 60490 Pop. 22 Thousand	100 Excellent	—	$148,153
#3	ZIP 61525 Pop. 12 Thousand	100 Excellent	—	$153,300
#4	ZIP 60601 Pop. 16 Thousand	100 Excellent	—	$127,323
#5	ZIP 61873 Pop. 5.8 Thousand	96 Excellent	—	$112,755
#6	ZIP 61547 Pop. 3.7 Thousand	96 Excellent	—	$120,247
#7	ZIP 62563 Pop. 5.6 Thousand	96 Excellent	—	$111,813
#8	ZIP 61548 Pop. 12 Thousand	96 Excellent	—	$114,167
#9	ZIP 60605 Pop. 34 Thousand	96 Excellent	17.8 /20	$118,403
#10	ZIP 60654 Pop. 24 Thousand	95 Excellent	17.2 /20	$144,831
#11	ZIP 60661 Pop. 12 Thousand	95 Excellent	16.6 /20	$138,831
#12	ZIP 60304 Pop. 17 Thousand	93 Excellent	15.6 /20	$132,841
#13	ZIP 60611 Pop. 36 Thousand	92 Excellent	14.9 /20	$124,621
#14	ZIP 61065 Pop. 11 Thousand	92 Excellent	—	$104,216
#15	ZIP 60203 Pop. 4.7 Thousand	92 Excellent	15.3 /20	$162,208
#16	ZIP 60026 Pop. 14 Thousand	92 Excellent	15.3 /20	$157,712
#17	ZIP 60541 Pop. 3.4 Thousand	92 Excellent	—	$119,063
#18	ZIP 62629 Pop. 15 Thousand	92 Excellent	—	$106,373
#19	ZIP 62535 Pop. 3.7 Thousand	92 Excellent	—	$113,456
#20	ZIP 60305 Pop. 11 Thousand	91 Excellent	14.4 /20	$148,711

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

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