Platte County's estimated 2026 population is 115,773 with a growth rate of 1.2% in the past year according to the most recent United States census data. Platte County is the 11th largest county in Missouri. The 2010 population was 89,714 and has seen a growth of 29.05% since that time.
Data after 2023 is projected based on recent change
Overall: 39.1 years
Female: 39.7 years
Male: 38.4 years
There are 84,888 adults, (17,756 of whom are seniors) in Platte County.
Female: 55,801 (50.6%)
Male: 54,570 (49.4%)
The racial composition of Platte County includes 78.64% White, 7.73% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 86,796 | 78.64% |
| Black or African American | 8,533 | 7.73% |
| Two or more races | 8,501 | 7.7% |
| Other race | 3,223 | 2.92% |
| Asian | 2,807 | 2.54% |
| Native American | 295 | 0.27% |
| Native Hawaiian or Pacific Islander | 216 | 0.2% |
Platte County's average per capita income is $59,701. Household income levels show a median of $96,227. The poverty rate stands at 7.02%.
Name | Median | Mean |
|---|---|---|
| Married Families | $138,168 | $169,962 |
| Families | $121,335 | $151,592 |
| Households | $96,227 | $125,410 |
| Non Families | $56,612 | $68,875 |
Average Income
Median Household Income
Poverty Rate