County market report · FIPS 19123
Mahaska County, IA
Oskaloosa, IA · Population 22,370 (Census V2020 est.)
Typical value
$200,948
Sep 2026
1M
+0.2%
3M
+1.3%
12M
+8.5%
5Y
+36.1%
10Y
+85.8%
From peak
0.0%
Peak $200,948 · Sep 2026
Rank US / state
207 / 11
by 12M change
Zillow Home Value Index
Source: Zillow Home Value Index (ZHVI), all homes, smoothed & seasonally adjusted · data through Sep 2026.
Inflection signal
Price-OnlyNo active signal this month.
Inventory, sales & days on market — Phase 2
Supply and demand confirmation is not yet available.
Yearly values (December)
| Year | ZHVI (Dec) | YoY change |
|---|---|---|
| 2025 | $191,075 | +4.2% |
| 2024 | $183,293 | +7.5% |
| 2023 | $170,474 | +2.7% |
| 2022 | $166,064 | +10.3% |
| 2021 | $150,562 | +10.8% |
| 2020 | $135,917 | +8.5% |
| 2019 | $125,308 | +5.7% |
| 2018 | $118,550 | +3.4% |
| 2017 | $114,695 | +4.9% |
| 2016 | $109,325 | +3.9% |
| 2015 | $105,189 | +5.4% |
| 2014 | $99,773 | +1.3% |
| 2013 | $98,535 | +13.2% |
| 2012 | $87,056 | +4.1% |
| 2011 | $83,653 | -1.3% |
| 2010 | $84,734 | +0.6% |
| 2009 | $84,243 | — |