Each edition grades its towns against each other only.
Clayton’s average trip to work is 10 minutes, where Iowa’s towns sit at 19 minutes and U.S. towns at 25 minutes. Of the 141 Iowa towns we compare, none has a higher median age than Clayton. Clayton School is on the National Register of Historic Places. Clayton has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Clayton beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 383 in 1880, 45 in 2020. The archive holds 2 old photos and papers going back to 2004 and a map from 1962 on.
1 place on the National Register of Historic Places.
Who provides power, water and the rest in Clayton, 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 Clayton.
Expected storm and flood damage is higher than in 73% of U.S. communities. Since 1997, 4 flood insurance claims have been paid out in Clayton.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
Clayton has cold, snowy winters and pleasant summers. At 82°F, Clayton’s July high is below both Iowa’s towns (84°F) and U.S. towns (85°F).
NOAA U.S. Climate Normals, 1991–2020
42% of Clayton adults have high blood pressure. Among 141 Iowa towns, just 9 have a lower share of adults who have been diagnosed with depression than Clayton. 14% of Clayton adults have diabetes.
| Clayton | Iowa towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 42% | 35% | 35% |
| Get no exercise (CDC PLACES) | 31% | 26% | 25% |
| Diabetes (CDC PLACES) | 14% | 12% | 12% |
| Smoke cigarettes (CDC PLACES) | 17% | 15% | 14% |
| What stands out | Clayton | IA |
|---|---|---|
| More adults treating high blood pressure | 81.5% | 77.8% |
| More older adults who have lost all their teeth | 16.4% | 11.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Upper Mississippi River National Wildlife and Fish Refuge | — | 3 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
None within 15 miles of Clayton; the nearest are
About 7 of every 100 Clayton residents are enrolled in college, about the same as Iowa.
City in Iowa, United States
Clayton is a city in Clayton County, Iowa, United States. The population was 45 at the 2020 census, down from 55 in 2000. Clayton is located adjacent to the Mississippi River and is only accessible via a steep road.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Clayton has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
