Dallas County, Missouri
Dallas County: County in Missouri, United States
About
Dallas County is a county located in the U.S. state of Missouri. As of the 2010 census, the population was 16,777 and a population density of 12 people per km². After 10 years in 2020 county had an estimated population of 17,219 inhabitants. Its county seat is Buffalo. The county was created 184 years ago in 1840.

Quick Facts about Dallas County
Population : | 17,219 (2020) |
Country : | United States of America |
State : | Missouri (United States) |
Different from : | Dallas County, Dallam County, Dallas County, Dallas County, Dallas County |
Area : | 1406 km2 |
Water as percent of area : | 0.4% |
Land as percent of area : | 99.6% |
Named for : | George M. Dallas |
Capital : | Buffalo |
Establishment : | January 01, 1841 |
Time Zone : | America/Chicago |
Local time : | 00:07:42 (23rd February 2025) |
Density : | 12 Pop. per km² as of 2020 |
Population growth : | 2.57% (2010-2020) |


Geography
Dallas County is located at 37°40'49"N 93°1'25"W (37.6804100, -93.0236600). It has 5 neighbors: Camden County, Hickory County, Laclede County, Polk and Webster County.
Dallas County map
The largest city of Dallas County is Buffalo with a population of 3,202. Other cities include, Urbana population 423 and Louisburg population 116. See all Dallas County cities & populated places.
Dallas County Populated Places
Cities, towns, neighborhoods & other populated places in Dallas County.
City Name | Population | Title |
---|---|---|
Buffalo | 3,202 | City in Dallas County, Missouri, United States |
Urbana | 423 | City in Dallas County, Missouri, United States of America |
Louisburg | 116 | Human settlement in Dallas County, Missouri, United States of America |
Dallas County has 5 neighbours.
- Camden County county in Missouri, United States
- Hickory County county in Missouri, United States
- Laclede County county in Missouri, United States
- Polk county in Missouri, United States
- Webster County county in Missouri, United States
- Buffalo
Demographics
The population of Dallas County increased by 2.57% in 10 years.
Year | Population | % Change | Method |
2010 | 16,777 | - | census |
2011 | 16,687 | -0.54% | estimation process |
2012 | 16,694 | 0.04% | estimation process |
2013 | 16,458 | -1.43% | estimation process |
2014 | 16,335 | -0.75% | estimation process |
2015 | 16,344 | 0.06% | estimation process |
2016 | 16,381 | 0.23% | estimation process |
2017 | 16,699 | 1.9% | estimation process |
2018 | 16,782 | 0.49% | estimation process |
2019 | 16,878 | 0.57% | estimation process |
2020 | 17,219 | 1.98% | estimation process |
People born in Dallas County (1)
American football coach Roy McNeal was born in Dallas County
Other places with the same name (5)
- Dallas County , Texas county in Texas, United States with a population of 2,635,888 people.
- Dallas County , Iowa county in Iowa, United States with a population of 96,963 people.
- Dallas County , Alabama county in Alabama, United States with a population of 36,098 people.
- Dallas County , Arkansas county in Arkansas, United States with a population of 6,802 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 |