Best ZIP Codes for Cash Flow in New Castle, IN (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 47351 Shirley, IN $152,042 $1,107 5.68% 6.6%
2 47361 Mount Summit, IN $156,878 $972 4.83% 7.4%
3 47388 Sulphur Springs, IN $168,902 $999 4.61% 8.0%
4 47387 Straughn, IN $194,684 $882 3.53% 6.3%
5 46148 Knightstown, IN $225,829 $990 3.42% 6.2%
6 47384 Shirley, IN $228,940 $990 3.37% 6.5%
7 47352 Lewisville, IN $218,487 $936 3.34% 6.7%
8 47385 Spiceland, IN $213,109 $864 3.16% 8.5%
9 47362 New Castle, IN $172,696 $689 3.11% 6.9%
10 47360 Mooreland, IN $258,945 $927 2.79% 7.0%
11 47356 Middletown, IN $248,215 $882 2.77% 7.4%
12 47386 Springport, IN $264,310 $891 2.63% 6.8%

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 New Castle, IN  ·  Affordable in New Castle, IN

Or see the full New Castle, IN metro profile.