Fastest-Appreciating ZIP Codes in Harrisburg-Carlisle, PA (2026)

Ranked by 5-year compound annual growth in home values. Fast growth and strong cash flow rarely appear in the same ZIP — this is the other side of that trade.

# ZIP City Home value Rent Cap rate 5-yr growth
1 17103 Harrisburg, PA $149,455 $1,206 6.30% 10.0%
2 17080 Pillow, PA $181,068 $936 4.03% 9.9%
3 17104 Harrisburg, PA $135,379 $1,193 6.88% 9.6%
4 17034 Highspire, PA $195,923 $1,179 4.69% 9.0%
5 17113 Harrisburg, PA $189,588 $1,090 4.48% 7.8%
6 17093 Summerdale, PA $256,692 $1,269 3.86% 7.6%
7 17057 Middletown, PA $265,664 $1,351 3.97% 7.3%
8 17110 Harrisburg, PA $269,946 $1,665 4.81% 7.0%
9 17266 Walnut Bottom, PA $263,344 $990 2.93% 6.9%
10 17048 Lykens, PA $166,900 $1,170 5.47% 6.8%
11 17028 Grantville, PA $383,695 $1,251 2.54% 6.7%
12 17109 Harrisburg, PA $267,945 $1,325 3.86% 6.5%
13 17023 Elizabethville, PA $249,001 $936 2.93% 6.5%
14 17065 Mount Holly Springs, PA $289,130 $1,089 2.94% 6.5%
15 17018 Dauphin, PA $303,349 $1,161 2.99% 6.4%
16 17241 Newville, PA $329,340 $1,107 2.62% 6.4%
17 17033 Hershey, PA $413,685 $1,753 3.31% 6.4%
18 17011 Camp Hill, PA $332,307 $1,573 3.69% 6.4%
19 17070 New Cumberland, PA $298,691 $1,124 2.94% 6.3%
20 17055 Mechanicsburg, PA $364,145 $1,726 3.70% 6.2%
21 17013 Carlisle, PA $292,276 $1,355 3.62% 6.2%
22 17007 Boiling Springs, PA $429,493 $1,098 1.99% 6.1%
23 17032 Halifax, PA $303,926 $954 2.45% 6.0%
24 17015 Carlisle, PA $398,820 $1,738 3.40% 6.0%
25 17043 Lemoyne, PA $272,579 $1,360 3.89% 6.0%

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 →