County market report · FIPS 19195
Worth County, IA
Mason City, IA · Population 7,359 (Census V2020 est.)
Typical value
$190,414
Sep 2026
1M
-0.1%
3M
-0.3%
12M
+4.6%
5Y
+33.4%
10Y
+78.6%
From peak
-0.3%
Peak $190,965 · Jun 2026
Rank US / state
903 / 42
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-OnlyB · Early Warning
r3-0.29%p3+0.38%Acceleration-0.67ppMonths persisting3Evidence (Price-Only)73/100
Inventory, sales & days on market — Phase 2
Supply and demand confirmation is not yet available.
Yearly values (December)
| Year | ZHVI (Dec) | YoY change |
|---|---|---|
| 2025 | $183,422 | +2.6% |
| 2024 | $178,733 | +9.3% |
| 2023 | $163,572 | -0.4% |
| 2022 | $164,303 | +11.2% |
| 2021 | $147,749 | +7.5% |
| 2020 | $137,481 | +10.3% |
| 2019 | $124,606 | +8.6% |
| 2018 | $114,774 | +3.1% |
| 2017 | $111,322 | +2.5% |
| 2016 | $108,628 | +1.7% |
| 2015 | $106,761 | +8.9% |
| 2014 | $98,004 | -0.7% |
| 2013 | $98,691 | +7.1% |
| 2012 | $92,138 | +2.4% |
| 2011 | $89,936 | +0.6% |
| 2010 | $89,431 | -0.5% |
| 2009 | $89,868 | — |