| County: | Miller County |
| State: | Missouri |
| Founded Year: | 1837 |
| Founded Date: | February 6 |
| Seat Wl: | Tuscumbia |
| Largest City Wl: | Eldon |
| Area Total Sq Mi: | 600 |
| Area Land Sq Mi: | 593 |
| Area Water Sq Mi: | 7.4 |
| Area Percentage: | 1.2 |
| Population As Of: | 2020 |
| Population Total: | 24722 |
| Population Density Sq Mi: | auto |
| Time Zone: | Central |
| Web: | www.millercountymissouri.org |
| District: | 3rd |
| Ex Image: | Miller County MO Courthouse-20160423 1905.jpg |
| Ex Image Cap: | The Miller County Courthouse in Tuscumbia |
Miller County is a county located in the U.S. state of Missouri. As of the 2020 United States census, the population was 24,722.[1] Its county seat is Tuscumbia.[2] The county was organized February 6, 1837, and named for John Miller,[3] former U.S. Representative and Governor of Missouri.
According to the U.S. Census Bureau, the county has a total area of, of which is land and (1.2%) is water.[4]
As of the census[5] of 2000, there were 23,564 people, 9,284 households, and 6,443 families residing in the county. The population density was 40/mi2. There were 11,263 housing units at an average density of 19adj=preNaNadj=pre. The racial makeup of the county was 97.99% White, 0.28% Black or African American, 0.46% Native American, 0.13% Asian, 0.02% Pacific Islander, 0.29% from other races, and 0.84% from two or more races. Approximately 0.98% of the population were Hispanic or Latino of any race.
There were 9,284 households, out of which 32.60% had children under the age of 18 living with them, 56.00% were married couples living together, 9.20% had a female householder with no husband present, and 30.60% were non-families. 26.10% of all households were made up of individuals, and 11.90% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 3.00.
In the county, the population was spread out, with 26.30% under the age of 18, 8.40% from 18 to 24, 27.40% from 25 to 44, 22.70% from 45 to 64, and 15.30% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 97.30 males. For every 100 females age 18 and over, there were 93.70 males.
The median income for a household in the county was $30,977, and the median income for a family was $36,770. Males had a median income of $26,225 versus $18,903 for females. The per capita income for the county was $15,144. About 10.80% of families and 14.20% of the population were below the poverty line, including 19.30% of those under age 18 and 14.70% of those age 65 or over.
| White (NH) | 22,908 | 92.7% | |
| Black or African American (NH) | 117 | 0.47% | |
| Native American (NH) | 113 | 0.46% | |
| Asian (NH) | 64 | 0.26% | |
| Pacific Islander (NH) | 24 | 0.1% | |
| Other/Mixed (NH) | 1,030 | 4.17% | |
| Hispanic or Latino | 466 | 1.9% |
The Republican Party completely controls politics at the local level in Miller County. Republicans currently hold all of the elected positions in the county.
| Year | Republican | Democratic | Third Parties | |
|---|---|---|---|---|
| 2020 | 82.82% 10,212 | 15.31% 1,888 | 1.87% 231 | |
| 2016 | 69.65% 7,924 | 27.37% 3,114 | 2.98% 339 | |
| 2012 | 59.85% 6,547 | 36.67% 4,012 | 3.48% 381 | |
| 2008 | 55.86% 6,414 | 42.31% 4,858 | 1.84% 211 | |
| 2004 | 67.76% 7,331 | 31.15% 3,370 | 1.09% 118 | |
| 2000 | 57.12% 5,343 | 39.38% 3,684 | 3.50% 327 | |
| 1996 | 45.28% 3,984 | 51.76% 4,554 | 2.97% 261 |
Miller County is divided into four legislative districts in the Missouri House of Representatives, all of which are represented by Republicans.
All of Miller County is a part of Missouri's 6th District in the Missouri Senate and is currently represented by Mike Kehoe (R-Jefferson City).
All of Miller County is included in Missouri's 3rd Congressional District and is currently represented by Blaine Luetkemeyer (R-St. Elizabeth) in the U.S. House of Representatives.
Like most counties in rural western Missouri, Miller County is very Republican. It hasn't supported a Democrat for president since Franklin D. Roosevelt in 1932. The only other time it supported a Democrat in the 20th century was in 1912, when Woodrow Wilson carried the county against a mortally divided GOP. Lyndon Johnson is the last Democrat to garner even 40 percent of the county's vote.
Underlining how Republican the county has been over the years, it rejected native son Harry Truman in 1944 as Roosevelt's running mate, and when he headed the ticket himself in 1948.
See main article: 2008 Missouri Democratic presidential primary and 2008 Missouri Republican presidential primary. Former Governor Mike Huckabee (R-Arkansas) received more votes, a total of 1,406, than any candidate from either party in Miller County during the 2008 presidential primary.