| Thayer County | |
| Settlement Type: | County |
| Image Map1: | Map of Nebraska highlighting Thayer County.svg |
| Map Caption1: | Location within the U.S. state of Nebraska |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Established Title: | Established |
| Established Date: | May 9, 1871 |
| Named For: | John Milton Thayer |
| Seat Type: | County seat |
| Seat: | Hebron |
| Parts Type: | Largest city |
| Parts: | Hebron |
| Unit Pref: | US |
| Area Total Sq Mi: | 575 |
| Area Land Sq Mi: | 574 |
| Area Water Sq Mi: | 1.2 |
| Area Water Percent: | 0.2 |
| Elevation Max Ft: | 1545 |
| Elevation Min Ft: | 1142 |
| Population Density Sq Mi: | 8.8 |
| Population Est: | 4913 |
| Pop Est As Of: | 2021 |
| Area Code: | 402/531 |
| Area Code Type: | Area code |
| Blank Name Sec1: | FIPS code |
| Blank Info Sec1: | 31169 |
| Blank1 Name Sec1: | GNIS feature ID |
| Website: | thayercountyne.gov |
| Timezone: | Central |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
Thayer County is a county in the U.S. state of Nebraska. As of the 2020 United States Census, the population was 5,034.[1] Its county seat is Hebron. The county was created in 1856 and originally named Jefferson County. It was organized in 1870-1871 and renamed for General and Governor John Milton Thayer.[2] [3] [4] [5]
In the Nebraska license plate system, Thayer County is represented by the prefix 32 (it had the thirty-second-largest number of vehicles registered in the state when the license plate system was established in 1922).
Thayer County lies on the south line of Nebraska. Its south boundary line abuts the north boundary line of the state of Kansas. Its terrain consists of rolling hills, sloped toward the east. A local drainage, Big Sandy Creek, flows southeast and east through the northern part of the county, and another drainage, Rose Creek, flows northeastward through the SE corner of the county (they converge east of Thayer County's east boundary line). The planar portions of the terrain are partially used for agriculture.[6]
Thayer County has an area of, of which is land and (0.2%) is water.[7]
As of the 2000 United States Census,[10] there were 6,055 people, 2,541 households, and 1,689 families in the county. The population density was 10/mi2. There were 2,828 housing units at an average density of 5adj=preNaNadj=pre. The racial makeup of the county was 98.70% White, 0.02% Black or African American, 0.28% Native American, 0.12% Asian, 0.33% from other races, and 0.56% from two or more races. 1.01% of the population were Hispanic or Latino of any race.
There were 2,541 households, out of which 27.70% had children under the age of 18 living with them, 58.80% were married couples living together, 5.00% had a female householder with no husband present, and 33.50% were non-families. 31.50% of all households were made up of individuals, and 18.20% had someone living alone who was 65 years of age or older. The average household size was 2.31 and the average family size was 2.90.
The county population contained 24.10% under the age of 18, 4.90% from 18 to 24, 22.30% from 25 to 44, 24.20% from 45 to 64, and 24.50% who were 65 years of age or older. The median age was 44 years. For every 100 females there were 95.80 males. For every 100 females age 18 and over, there were 92.80 males.
The median income for a household in the county was $30,740, and the median income for a family was $38,346. Males had a median income of $26,964 versus $18,275 for females. The per capita income for the county was $17,043. About 7.60% of families and 10.70% of the population were below the poverty line, including 14.80% of those under age 18 and 11.00% of those age 65 or over.
Thayer County voters are reliably Republican. In only one national election since 1936 has the county selected the Democratic Party candidate (as of 2020).