Browse / United States / Illinois / Clayton
Clayton
Illinoisvillage
Clayton
Total population
602
Median home value
$91,500
Bachelor's+
Median income
$66,136
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
City facts
Facts from Wikidata (CC0).
Overview
Clayton is a village in Adams County, Illinois, United States. As of the 2020 census, the total population was 639 people, down from 709 at the 2010 census. It is part of the Quincy, IL–MO Micropolitan Statistical Area.
Read more on WikipediaHistory & geography
History
Clayton is named for Kentucky statesman Henry Clay. It was established in 1834. * John Roy Site
Geography
According to the 2021 census gazetteer files, Clayton has a total area of , of which (or 99.10%) is land and (or 0.90%) is water.
Excerpted from the corresponding Wikipedia article (CC BY-SA).
Demographics & economy
Race & ethnicity
Source: US Census Bureau — American Community Survey, 5-year estimates.
Geography
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Current forecast
Forecast for Clayton, IL from NOAA NWS API.
Air quality
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Age-adjusted prevalence estimates from CDC PLACES (latest release).
Walkability
Amenities nearby
Wildlife & biodiversity
Most-observed species
- American RobinTurdus migratorius Linnaeus, 1766 · Aves138
- Northern CardinalCardinalis cardinalis (Linnaeus, 1758) · Aves126
- Blue JayCyanocitta cristata (Linnaeus, 1758) · Aves113
- Red-winged BlackbirdAgelaius phoeniceus (Linnaeus, 1766) · Aves105
- Red-headed WoodpeckerMelanerpes erythrocephalus (Linnaeus, 1758) · Aves99
- Red-bellied WoodpeckerMelanerpes carolinus (Linnaeus, 1758) · Aves90
- Mourning DoveZenaida macroura (Linnaeus, 1758) · Aves86
- Tufted TitmouseBaeolophus bicolor (Linnaeus, 1766) · Aves85
Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).
Schools
Largest nearby schools
- Central High SchoolHigh · Camp Point · 248 students · 13.1:1 ratio
- Central Junior High SchoolMiddle · Camp Point · 246 students · 14.5:1 ratio
- Central Elementary Grade SchoolElementary · Camp Point · 180 students · 10:1 ratio
- Central 3-4 Middle SchoolElementary · Golden · 110 students · 11:1 ratio
Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).
Earthquake history
Most recent
- M 2.9 — 2004-02-086 km SSW of Stoutsville, Missouri
Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).
Photos
Sights & places nearby
Notable people from here


People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.
Nearby places in Illinois
Geography & sun
Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.
Nearby airports
Public attention
Pageview totals from the Wikimedia Pageviews API.
Books about Clayton





Search results from Open Library.
Recent natural events nearby
Ground air-quality sensors
Recently spotted species









Research-grade observations from iNaturalist (within ~15 mi).
Nearest stream gauge
Live readings from USGS NWIS · measured 2026-09-21 03:45 UTC.
Events
Gallery
Sources
- • Wikipedia
- • US Census Bureau (ACS 5-year estimates)
- • NOAA National Weather Service
- • Wikidata
- • USGS Earthquake Catalog (global feed)
- • USGS NWIS (water data)
- • NCES via Urban Institute Education Data Portal
- • GBIF (Global Biodiversity Information Facility)
- • iNaturalist
- • CDC PLACES
- • Open-Meteo / sunrise-sunset.org
- • Wikipedia Pageviews API
- • Open Library