Each edition grades its towns against each other only.
Unionville has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Unionville beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 178 in 1860, a peak of 355 in 1900, 75 in 2020. The archive holds 4 old photos and papers going back to 2004 and 2 maps from 1968 on.
Who provides power, water and the rest in Unionville, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Unionville.
Expect July afternoons of 85° and January nights of 15°, with about 24 inches of snow a winter.
NOAA U.S. Climate Normals, 1991–2020
Compared with 63% of U.S. communities, expected storm and flood damage in Unionville is lower. 34% of the town’s expected losses from natural hazards come from drought, followed by inland flooding at 24%. Federal disaster aid has reached households in Unionville after 3 declared disasters, most recently in 2010.
FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA
Against the Iowa average, Unionville comes out ahead on 4 CDC measures out of 32, and behind on 10. Only one of the 141 Iowa towns we compare has a higher share of adults who have diabetes than Unionville. Just over two fifths of Unionville adults have obesity, against 38% in Iowa’s towns and 35% across U.S. towns. Unionville: 18% of adults smoke cigarettes.
| Unionville | Iowa towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 45% | 35% | 35% |
| Diabetes (CDC PLACES) | 15% | 12% | 12% |
| Frequent physical distress (CDC PLACES) | 16% | 13% | 14% |
| Obesity (CDC PLACES) | 42% | 38% | 35% |
| What stands out | Unionville | IA |
|---|---|---|
| Fewer binge drinkers | 16.8% | 20.5% |
| More adults treating high blood pressure | 83% | 77.8% |
| More adults with COPD | 10.6% | 6.9% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Homes in Unionville are typically worth about $209,000, up 10.3% in a year, 12% below the Iowa typical home.
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Unionville has one park or preserve, 6 acres in all.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Stephens State Forest - Unionville Unit | — | 6 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
None within 15 miles of Unionville; the nearest are
About 0 of every 100 Unionville residents are enrolled in college, against 6 across Iowa.
City in Iowa, US
Unionville is a city in Appanoose County, Iowa, United States. The population was 75 at the time of the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Unionville has fewer than 1,000 residents, too few for fair grades; the figures below are still real.