Zip lookup · OH

45312
Casstown, Ohio.

Casstown, Miami County, OH · Dayton-Kettering, OH metro · population 1,086

What it costs per month · 45312 $1,887/mo

to buy the typical home at today's mortgage rate — +$1,103 (+141%) since Jan 2020.

What the home itself did
1 year
Up $14,673 +4%
$344,764$359,437 since Sep 2025
5 years
Up $94,428 +36%
$265,009$359,437 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 45312 $1,887 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 45312$1,887
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 11 years.

Typical home values in zip 45312 rose 4.3% over the past year — faster than the nation's +1.2%.

This zip spans 2 counties: Miami County, OH 98% · Champaign County, OH 2%

School districts in 45312, by share of its land: Miami East Local 98% · Graham Local 2%. Which one a home is in is printed on its tax bill.

Zillow also publishes an index for the city itself: Casstown, OH — measured over the city limits, which is a different area from this zip.

Typical home value $359,437 as of Sep 2026
+4.3%year on year

Typical home value — 45312

Mid-tier homes, smoothed and seasonally adjusted.

$200,000 $250,000 $300,000 $350,000 2018 2020 2022 2024 2026 45312 $359,437 United States $366,157
$200,000 $250,000 $300,000 $350,000 2018 2022 2026
  • 45312$359,437
  • United States$366,157

Within 20 miles

Showing 30 of 39 zips in range — sorting picks from all 39.

Miles sorted ascending, activate to sort descending Zip activate to sort by Zip City activate to sort by City Population activate to sort by Population Rent activate to sort by Rent Home value activate to sort by Home value
2.9 45389 Christiansburg 708 — $158,089
5.7 45326 Fletcher 1,446 — $252,501
6.4 45373 Troy 37,565 $1,422 $281,887
7.7 43072 Saint Paris 5,253 — $250,373
8.2 45344 New Carlisle 16,979 — $216,260
8.4 45317 Conover 1,187 — $227,746
8.9 45349 North Hampton 234 — $172,401
9.5 45371 Tipp City 22,865 $1,786 $349,685
10.7 45356 Piqua 25,237 $1,052 $181,741
13.1 45341 Medway 3,639 — $182,187
13.1 45372 Tremont City 265 — $117,850
13.8 45504 Springfield 16,363 — $211,909
13.8 45377 Vandalia 14,888 $993 $246,161
14.4 45359 Pleasant Hill 2,160 — $246,902
14.4 45339 Ludlow Falls 1,057 — $332,770
14.8 45424 Dayton 50,725 $1,299 $227,238
15.2 45383 West Milton 6,912 — $235,935
15.2 45318 Covington 5,511 — $239,748
15.9 45365 Sidney 28,965 $1,439 $217,532
16.4 45506 Springfield 13,435 $1,292 $114,561
16.5 43078 Urbana 19,695 — $243,345
16.5 45323 Enon 4,961 — $240,612
16.6 45502 Springfield 17,692 — $311,601
16.7 45414 Dayton 21,167 $1,384 $183,945
17.1 45324 Fairborn 41,194 $1,500 $208,056
17.4 45322 Englewood 20,884 $1,376 $227,434
17.9 45503 Springfield 32,638 $1,386 $193,848
17.9 43343 Quincy 1,366 — $226,548
18.2 45415 Dayton 12,465 — $230,209
18.6 45333 Houston 1,830 — $294,069

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.