Osage County, Missouri
Osage County: county in Missouri, United States
About
Osage County is a county located in the U.S. state of Missouri. As of the 2010 census, the population was 13,878 and a population density of 9 people per km². After 10 years in 2020 county had an estimated population of 13,535 inhabitants. Its county seat is Linn. The county was created 185 years ago in 1840.
County Snapshot
Osage County at a glance
Osage County currently has 6 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
6
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Missouri counties
115
Open related pagesLargest city
LinnPopulation 1,557
Top linked places
Quick Facts about Osage County
| Population | 13,535 (2020) |
| Country | United States of America |
| State | Missouri (United States) |
| Different from | Osage County, Osage County |
| Area | 1589 km2 |
| Water as percent of area | 1% |
| Land as percent of area | 99% |
| Latitude & Longitude | 38.4604,-91.8618 |
| Named for | Osage River |
| Capital | Linn |
| Establishment | January 01, 1841 |
| Time Zone | America/Chicago |
| Local time | 21:43:48 (15th April 2026) |
| Density | 9 Pop. per km² as of 2020 |
| Population growth | -2.53% (2010-2020) |
| Weather | 79℉ Showers And Thunderstorms Likely 7-days weather |
Geography
Osage County is located at 38°27'37"N 91°51'43"W (38.4603700, -91.8618400). It has 6 neighbors: Miller County, Callaway County, Cole County, Gasconade County, Maries County and Montgomery County.
Osage County map
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The largest city of Osage County is Linn with a population of 1,557. Other cities include, Freeburg population 420, Chamois population 377, Westphalia population 375 and Meta population 218. See all Osage County cities & populated places.
Osage County Populated Places
Cities, towns, neighborhoods & other populated places in Osage County.
| City Name | Population | Title |
|---|---|---|
| Linn | 1,557 | City in Missouri |
| Freeburg | 420 | Human settlement in Osage County, Missouri, United States of America |
| Chamois | 377 | City in Osage County, Missouri, United States |
| Westphalia | 375 | City in Missouri, United States |
| Meta | 218 | City in Missouri |
| Argyle | 157 | Village in Missouri, United States |
Weather
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is...
7-Day ForecastOfficial website of Osage County
Official Website- Linn
Demographics
According to census records, the population of Osage County decreased by 2.53% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 13,878 | - | census |
| 2011 | 13,908 | 0.22% | estimation process |
| 2012 | 13,846 | -0.45% | estimation process |
| 2013 | 13,677 | -1.24% | estimation process |
| 2014 | 13,638 | -0.29% | estimation process |
| 2015 | 13,538 | -0.74% | estimation process |
| 2016 | 13,613 | 0.55% | estimation process |
| 2017 | 13,658 | 0.33% | estimation process |
| 2018 | 13,652 | -0.04% | estimation process |
| 2019 | 13,615 | -0.27% | estimation process |
| 2020 | 13,535 | -0.59% | estimation process |
Other places with the same name (2)
- Osage County, Oklahoma county in Oklahoma, United States with a population of 46,642 people.
- Osage County, Kansas county in Kansas, United States with a population of 15,770 people.
Missouri Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Saint Louis County | 994,020 | County in Minnesota, United States |
| Jackson County | 705,925 | County in Oregon, United States |
| Kansas City | 495,327 | The third most populous city in Missouri and the center of the Kansas City metropolitan area. |
| Saint Charles County | 406,204 | County in Missouri, United States |
| St. Louis | 315,685 | The second most populous city in Missouri and the center of the St. |
| Greene County | 294,997 | County in Tennessee, United States |
| Clay County | 253,463 | County in North Carolina, United States |
| Jefferson County | 226,543 | County in Missouri, United States |
| Boone County | 182,991 | County in West Virginia, United States |
| Columbia | 124,769 | The most populous city in the state of Missouri. |
| Jasper County | 121,648 | County in South Carolina, United States |
| Independence | 116,774 | A city in Jackson County, Missouri. |
| East Independence | 110,675 | A census-designated place in Jackson County, Missouri. |
| Cass County | 106,806 | County in Missouri, United States |
| Platte County | 106,532 | County in Wyoming, United States |
| Franklin County | 104,469 | County in Missouri, United States |