Terre Lac is a CDP located in Jefferson County, Missouri. Terre Lac has a 2025 population of 3,054 . Terre Lac is currently growing at a rate of 7.16% annually and its population has increased by 28.21% since the most recent census, which recorded a population of 2,382 in 2020.
The average household income in Terre Lac is $97,813 with a poverty rate of 11.46%. The median age in Terre Lac is 44.8 years: 48.8 years for males, and 43.7 years for females. For every 100 females there are 86.6 males.
Data after 2023 is projected based on recent change
The racial composition of Terre Lac includes 96.91% White, and smaller percentages for Two or more races, Asian, other race and multiracial populations.
White (96.91%)
Two or more races (1.46%)
Asian (1.02%)
Other race (0.61%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,384 | 96.91% |
| Two or more races | 36 | 1.46% |
| Asian | 25 | 1.02% |
| Other race | 15 | 0.61% |
Married
Widowed
Divorced
Separated
Never Married
Terre Lac's average per capita income is $45,455. Household income levels show a median of $93,115. The poverty rate stands at 11.46%.
Name | Median | Mean |
|---|---|---|
| Married Families | $103,264 | - |
| Families | $100,496 | $102,885 |
| Households | $93,115 | $97,813 |
| Non Families | $47,585 | $50,909 |
Average Income
Median Household Income
Poverty Rate