Browse / United States / Illinois / Mason
Mason
Illinoistown
Total population
467
Median home value
$82,900
Bachelor's+
Median income
$65,455
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
- Heat Advisory · ModerateHeat Advisory issued September 17 at 10:05AM CDT until September 17 at 7:00PM CDT by NWS Lincoln IL
Source: NOAA National Weather Service.
City facts
Overview
Found in Illinois, United States, Mason is classified as a small town in public datasets. Around 467 people are recorded as living there in the most recent open data. Mason maps to 38.954°, -88.627° — squarely within the warm temperate belt. Population density therefore averages about 142 per km², a sparse settlement pattern. Solar-resource estimates put the area at about 1,517 kWh/m² of solar irradiance per year with sunshine for roughly 59% of daylight hours. The latitude suggests warm summers and cool winters. It covers a compact 3.3 km² of land area. Continue scrolling for population, climate, environmental and points-of-interest data drawn from public sources.
Summary composed automatically from structured open data on this page. See our Terms for details.
History & geography
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 Mason, 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
- Turkey VultureCathartes aura (Linnaeus, 1758) · Aves359
- Red-winged BlackbirdAgelaius phoeniceus (Linnaeus, 1766) · Aves267
- American CrowCorvus brachyrhynchos C.L.Brehm, 1822 · Aves253
- Mourning DoveZenaida macroura (Linnaeus, 1758) · Aves190
- American RobinTurdus migratorius Linnaeus, 1766 · Aves189
- Common GrackleQuiscalus quiscula (Linnaeus, 1758) · Aves178
- Northern CardinalCardinalis cardinalis (Linnaeus, 1758) · Aves175
- European StarlingSturnus vulgaris Linnaeus, 1758 · Aves175
Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).
Schools
Largest nearby schools
- Central Grade SchoolElementary · Effingham · 498 students · 12.8:1 ratio
- Altamont Grade SchoolElementary · Altamont · 433 students · 13.5:1 ratio
- Altamont High SchoolHigh · Altamont · 233 students · 11.7:1 ratio
- Early Learning CenterElementary · Effingham · 172 students · 10.8:1 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 3.51 — 2026-06-296 km NE of West Salem, Illinois
- M 3.8 — 2026-01-204 km NW of Ohlman, Illinois
- M 3.26 — 2025-05-137 km SSW of Lerna, Illinois
- M 2.81 — 2024-03-281 km NNE of Germantown, Illinois
- M 3.07 — 2023-12-185 km WNW of Waltonville, Illinois
- M 2.58 — 2023-10-266 km SSE of Herrick, Illinois
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.
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 Mason






Search results from Open Library.
Recent natural events nearby
Ground air-quality sensors
Recently spotted species
Nearest stream gauge
Events
Gallery
Sources
- • US Census Bureau (ACS 5-year estimates)
- • NOAA National Weather Service
- • Wikidata
- • USGS Earthquake Catalog (global feed)
- • NCES via Urban Institute Education Data Portal
- • GBIF (Global Biodiversity Information Facility)
- • CDC PLACES
- • Open-Meteo / sunrise-sunset.org
- • Wikipedia Pageviews API
- • Open Library