Best ZIP Codes for Cash Flow in Rockford, IL (2026)

Ranked by cap rate — the annual return on the purchase price before financing. ZIPs that also clear the 1% rule are marked.

# ZIP City Home value Rent Cap rate 5-yr growth
1 61102 1% rule Rockford, IL $124,695 $1,406 8.80% 11.1%
2 61101 1% rule Rockford, IL $117,334 $1,275 8.48% 14.4%
3 61104 Rockford, IL $114,812 $1,088 7.39% 13.5%
4 61108 Rockford, IL $193,284 $1,490 6.01% 9.5%
5 61114 Rockford, IL $275,189 $2,100 5.95% 8.6%
6 61111 Loves Park, IL $207,516 $1,571 5.91% 8.7%
7 61115 Machesney Park, IL $211,232 $1,469 5.43% 9.1%
8 61103 Rockford, IL $155,259 $1,021 5.13% 10.6%
9 61008 Belvidere, IL $267,975 $1,673 4.87% 7.7%
10 61107 Rockford, IL $228,518 $1,349 4.60% 9.4%
11 61109 Rockford, IL $195,906 $1,149 4.57% 10.3%
12 61065 Poplar Grove, IL $282,092 $1,584 4.38% 7.3%
13 61073 Roscoe, IL $318,229 $1,658 4.06% 8.7%
14 61063 Pecatonica, IL $239,553 $1,188 3.87% 9.1%
15 61024 Durand, IL $231,968 $963 3.24% 9.6%
16 61011 Caledonia, IL $383,932 $1,584 3.22% 7.4%
17 61080 South Beloit, IL $243,288 $972 3.12% 9.0%
18 61088 Winnebago, IL $288,598 $1,116 3.02% 8.3%
19 61012 Capron, IL $275,265 $1,053 2.98% 8.2%
20 61072 Rockton, IL $300,992 $1,053 2.73% 8.2%
21 61038 Garden Prairie, IL $334,484 $1,134 2.64% 7.7%
22 61016 Cherry Valley, IL $294,120 $963 2.55% 8.4%

Ranked from Repit’s own ZIP-level data — Zillow home values and rents, HUD fair-market rents where Zillow has no coverage, and U.S. Census vacancy. Cap rate is gross: annual rent over purchase price, before financing and expenses. Every ZIP above links to its full free page. How we calculate this →

Same metro, different strategy

Appreciation in Rockford, IL  ·  Affordable in Rockford, IL

Or see the full Rockford, IL metro profile.