Browse / United States / Iowa / Osage
Osage
Iowacity
Osage
Total population
3,561
Median home value
$160,700
Bachelor's+
Median income
$68,730
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
Osage is a city and the county seat of Mitchell County, Iowa, United States. The population was 3,627 at the time of the 2020 census.
Read more on WikipediaHistory & geography
History
The first plat of the town was started in 1854 by a Dr. Moore and named after his eldest daughter “Cora”, but the name was never recorded. In 1855 a Mr. Gibbs arrived from Massachusetts, representing wealthy capitalists in Massachusetts and Connecticut. He prevailed upon Mr. Orrin Sage, a great banker from Ware, MA to invest in this community, and later Mr. Sage gave $2,000 and 600 acres of land to the Library Building Fund. Because of his benevolence, the town’s name was changed to Osage in his honor. In the winter of 1855-56, Dr. S. B. Chase of Decorah purchased land in the southwest part of the tract and in the spring of 1856 platted the present City of Osage. He named the east-west streets generally for trees and numbered the north-south streets. He was also responsible for setting out maple trees to line the streets. Even today, Osage is referred to as “the City of Maples”. Dr. Chase built an elaborate residence and office on Free Street in 1869. That house still stands today and is used as apartments. Ten years after Dr. Chase’s death in 1891, Free Street was renamed Chase Street to honor his many contributions to Osage. Several of the businesses in Osage occupy structures built in the 1870’s. City Hall occupies the former Sage Library Building constructed in 1910 after a $10,000 gift from Andrew Carnegie. The very first library building was built in 1876 one-half block west of the current City Hall/Sage Library building. A Subway sandwich shop occupies the ground floor of the building today and the date of 1876 along with “Sage Library” is seen in the concrete and brick work of the second story. In 2002, a four-block area of Main Street was placed on the National Register of Historic Places. On both sides of Main Street within the district, one to multi-story…
Geography
According to the United States Census Bureau, the city has a total area of , all land.
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 Osage, IA 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
- Lincoln Elementary SchoolElementary · Osage · 405 students · 15:1 ratio
- St Ansgar Elementary SchoolElementary · St Ansgar · 320 students · 18.8:1 ratio
- Osage High SchoolHigh · Osage · 313 students · 13.6:1 ratio
- Osage Middle SchoolMiddle · Osage · 268 students · 16.8:1 ratio
- St Ansgar High SchoolHigh · St Ansgar · 171 students · 9.5:1 ratio
- St Ansgar Middle SchoolMiddle · St Ansgar · 117 students · 19.5:1 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 Iowa
- Little Cedar8 mi away
- St. Ansgar8.6 mi away · pop. 1,206
- Carpenter13.8 mi away · pop. 81
- Riceville14.1 mi away · pop. 823
- Elma18.9 mi away · pop. 659
- Portland19.8 mi away · pop. 29
- Kensett20.7 mi away · pop. 270
- North Washington23 mi away · pop. 134
- Burchinal27.9 mi away · pop. 6
- Lime Springs28.9 mi away · pop. 442
- Joice33 mi away · pop. 207
- Swaledale33.1 mi away
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 Osage




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 2026-10-14 10:45 UTC.
Events
Gallery
Sources
- • Wikipedia
- • US Census Bureau (ACS 5-year estimates)
- • NOAA National Weather Service
- • Wikidata
- • USGS NWIS (water data)
- • NCES via Urban Institute Education Data Portal
- • iNaturalist
- • CDC PLACES
- • Open-Meteo / sunrise-sunset.org
- • Wikipedia Pageviews API
- • Open Library