Most Affordable ZIP Codes in Ottawa, 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 61364 Streator, IL $130,981 $873 5.20% 7.9%
2 61361 Sheffield, IL $140,686 $963 5.34% 7.7%
3 61301 La Salle, IL $140,990 $1,044 5.78% 7.6%
4 61368 Tiskilwa, IL $141,610 $882 4.86% 6.6%
5 61379 Wyanet, IL $143,169 $891 4.85% 7.9%
6 61362 Spring Valley, IL $144,949 $1,071 5.76% 5.0%
7 61329 Spring Valley, IL $153,760 $909 4.61% 6.8%
8 61376 Walnut, IL $154,934 $1,143 5.75% 7.1%
9 61349 Ohio, IL $157,477 $828 4.10% 5.9%
10 61320 Dalzell, IL $165,807 $999 4.70% 8.0%
11 61348 Oglesby, IL $169,952 $864 3.97% 7.0%
12 61330 La Moille, IL $176,369 $864 3.82% 7.1%
13 61326 Granville, IL $179,069 $828 3.61% 5.9%
14 61342 Mendota, IL $183,236 $918 3.91% 7.7%
15 61334 Lostant, IL $183,422 $936 3.98% 7.3%
16 61354 Peru, IL $184,226 $1,020 4.32% 5.9%
17 61356 Princeton, IL $190,241 $1,100 4.51% 7.5%
18 60470 Ransom, IL $208,032 $1,224 4.59% 5.8%
19 61341 Marseilles, IL $215,126 $1,116 4.05% 6.7%
20 61350 Ottawa, IL $216,773 $1,268 4.56% 7.3%
21 61327 Magnolia, IL $232,249 $882 2.96% 9.1%
22 61370 Tonica, IL $232,887 $891 2.98% 6.7%
23 61560 Putnam, IL $233,810 $855 2.85% 8.0%
24 61360 Seneca, IL $235,532 $1,224 4.05% 4.0%
25 61325 Grand Ridge, IL $241,752 $945 3.05% 6.4%

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

Cash Flow in Ottawa, IL  ·  Appreciation in Ottawa, IL

Or see the full Ottawa, IL metro profile.