Platte County, MO Demographics

The total population of Platte County is estimated to be 107,033 with 53,232 males (49.73%) and 53,801 females (50.27%). There are 569 more females than males in Platte County.
The median household income in Platte County was $91,911 in 2021, which marked an a decrease of 1,514(1.62%) from $93,425 in 2020. This income is 123.20% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Platte County sees its highest median household income among householders in the age group of 45 to 64 years old, at $102,923. Overall, the median household income for the county of Platte County stands at $92,386.
In Platte County, the median income for all workers aged 15 years and older, regardless of work hours, was $52,151 for males and $36,718 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $71,711 for males and $53,492 for females.
In Platte County, there are just three different racial groups among households. Among these, Asian households report a median household income of $100,118, followed by White households at $93,015, and Black or African American households with a median household income of $76,954.
In 2022, the population of Platte County was 110,534, a 1.67% increase year-by-year from 2021. Previously, in 2021, Platte County's population was 108,720, an increase of 1.45% compared to a population of 107,168 in 2020.
The median age in Platte County, MO is 38.5, as per 2021 ACS 5-Year Estimates. Of the total population, 19.64% were under the age of 15, 18.39% aged 15 to 29, 47.08% aged 30 to 64, 13.22% aged 65 to 84, and 1.66% were 85 years of age and older.
Racial distribution of Platte County population: 82.52% are White, 6.56% are Black or African American, 0.32% are American Indian and Alaska Native, 2.81% are Asian, 0.60% are Native Hawaiian and other Pacific Islander, 1.73% are some other race and 5.46% are multiracial.