Thayer is a city located in Oregon County, Missouri. Thayer has a 2025 population of 1,910 . Thayer is currently growing at a rate of 0.32% annually and its population has increased by 1.65% since the most recent census, which recorded a population of 1,879 in 2020.
The average household income in Thayer is $45,600 with a poverty rate of 36.47%. The median age in Thayer is 41.9 years: 40.7 years for males, and 43.1 years for females. For every 100 females there are 82.6 males.
Data after 2023 is projected based on recent change
The racial composition of Thayer includes 92.09% White, and smaller percentages for other race, Native Hawaiian or Pacific Islander and multiracial populations.
White (92.09%)
Two or more races (7.6%)
Other race (0.22%)
Native Hawaiian or Pacific Islander (0.09%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,107 | 92.09% |
| Two or more races | 174 | 7.6% |
| Other race | 5 | 0.22% |
| Native Hawaiian or Pacific Islander | 2 | 0.09% |
Married
Widowed
Divorced
Separated
Never Married
Thayer's average per capita income is $31,711. Household income levels show a median of $36,477. The poverty rate stands at 36.47%.
Name | Median | Mean |
|---|---|---|
| Married Families | $62,581 | - |
| Families | $42,045 | $51,935 |
| Households | $36,477 | $45,600 |
| Non Families | $20,625 | $28,472 |
Average Income
Median Household Income
Poverty Rate