Browse / United States / Illinois / Mason City
Mason City
Illinoiscity
Mason City
Total population
2,159
Median home value
$91,100
Bachelor's+
Median income
$66,524
Founded
1857
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
Mason City is a city in Mason County, Illinois, United States. The population was 2,077 at the 2020 census, down from 2,343 in 2010.
Read more on WikipediaHistory & geography
History
Mason City was established in 1857. The city took its name from Mason County.
Geography
Mason City is located in eastern Mason County. Illinois Route 10 passes through the city as Chestnut Street, leading east to Lincoln and west to Easton. Havana, the Mason county seat, is to the northwest of Mason City. Illinois Route 29 touches the western edge of the city, leading north to Pekin and south to Springfield, the state capital. According to the U.S. Census Bureau, Mason City has a total area of , all land. The city drains to the south toward Salt Creek, a west-flowing tributary of the Sangamon River and part of the Illinois River watershed.
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 Mason City, 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
Schools
Largest nearby schools
- Illini Central Grade SchoolElementary · Mason City · 252 students · 9.3:1 ratio
- Illini Central High SchoolHigh · Mason City · 185 students · 9.7:1 ratio
- Illini Central Middle SchoolMiddle · Mason City · 142 students · 11.8:1 ratio
- West Campus FacilityOther · Mason City · 70 students · 23.3:1 ratio
Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).
Earthquake history
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 Mason City






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

