Best ZIP Codes for Cash Flow in Charleston-Mattoon, 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 62474 Westfield, IL $107,282 $945 6.87% -0.8%
2 61930 Hindsboro, IL $107,835 $873 6.31% 4.8%
3 61938 Mattoon, IL $130,179 $907 5.44% 6.1%
4 62420 Casey, IL $134,611 $873 5.06% 6.4%
5 61931 Humboldt, IL $150,866 $972 5.03% 4.9%
6 62440 Lerna, IL $194,721 $1,179 4.72% 8.2%
7 61943 Oakland, IL $139,276 $828 4.64% 5.7%
8 61912 Ashmore, IL $144,109 $828 4.48% 6.8%
9 62428 Greenup, IL $159,602 $828 4.05% 1.5%
10 61910 Arcola, IL $162,769 $837 4.01% 7.3%
11 62468 Toledo, IL $174,510 $873 3.90% 1.9%
12 62447 Neoga, IL $179,479 $873 3.79% 5.5%
13 61920 Charleston, IL $169,852 $732 3.36% 6.8%
14 62436 Jewett, IL $196,419 $846 3.36% 7.3%
15 62445 Montrose, IL $196,788 $828 3.28% 5.1%
16 61911 Arthur, IL $201,707 $828 3.20% 7.6%
17 62462 Sigel, IL $230,922 $828 2.80% 6.5%

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 →