Most Affordable ZIP Codes in Davenport-Moline-Rock Island, IA-IL (2026)

The lowest entry prices that still hold a decent investability rating — cheap is only useful if the market underneath it is sound.

# ZIP City Home value Rent Cap rate 5-yr growth
1 61443 1% rule Kewanee, IL $84,012 $945 8.77% 5.0%
2 61442 Keithsburg, IL $85,942 $837 7.60% 0.5%
3 52802 Davenport, IA $111,857 $1,002 6.99% 4.1%
4 61434 Galva, IL $116,472 $882 5.91% 4.5%
5 61239 Carbon Cliff, IL $125,290 $1,089 6.78% 3.1%
6 61201 Rock Island, IL $129,276 $911 5.50% 3.3%
7 61263 Matherville, IL $139,892 $882 4.92% 7.8%
8 61272 New Boston, IL $149,213 $963 5.03% 3.9%
9 61265 Moline, IL $152,750 $1,065 5.44% 3.3%
10 61412 Gerlaw, IL $152,939 $864 4.41% 3.7%
11 61244 East Moline, IL $153,930 $1,009 5.11% 4.5%
12 61413 Alpha, IL $156,253 $1,035 5.17% 5.7%
13 52728 Buffalo, IA $159,312 $909 4.45% 3.9%
14 61490 Woodhull, IL $162,471 $837 4.02% 4.4%
15 61465 Windsor, IL $166,137 $837 3.93% 3.6%
16 61282 Silvis, IL $168,691 $1,089 5.04% 4.9%
17 52803 Davenport, IA $169,406 $1,011 4.65% 3.7%
18 61486 Viola, IL $171,113 $954 4.35% 4.2%
19 61231 Aledo, IL $174,287 $750 3.36% 3.3%
20 61257 Hillsdale, IL $179,490 $1,539 6.69% 3.2%
21 61234 Annawan, IL $182,984 $837 3.57% 6.3%
22 52804 Davenport, IA $185,200 $1,104 4.65% 4.6%
23 61241 Colona, IL $189,354 $999 4.12% 6.6%
24 61235 Atkinson, IL $194,003 $1,062 4.27% 6.2%
25 61264 Milan, IL $195,765 $925 3.69% 4.9%

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 →