Platte County, MO Population

Overview

105,189

Total Population

38.5

Median age

50.38%

Female population %

98.5:100

Gender ratio (M:F)

35-39 years

Largest age group

52.7

Total dependency ratio

White

Largest racial group

6,793

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Platte County's population is old compared to the rest of the country:

The median age in Platte County is 38.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Platte County's population under 18 was 23.78%, compared to the 22.51% nationwide.
Platte County's elderly or the senior population (over 65 age) was 14.88% as compared to 16.04% nationwide.
Of the total population in Platte County, 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.

There are 805 more females than males in Platte County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.38% females and 49.62% males in Platte County, MO.
The Platte County, MO gender ratio is 98.5:100 i.e. 98.5 men to 100 women (0.985).
For male population, the largest age group is 10-14 years with a population of 4,048.
For the female population, the largest age group is 35-39 years with a population of 3,923.

Platte County's population has become increasingly diverse:

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.
Platte County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 6,793 is Hispanic or Latino (of any race), and 98,396 (93.54% of the total population) is Non-Hispanic.
The largest racial group in Platte County is White with a population of 86,798 (82.52% of the total population).

Platte County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 110,534 in the year 2022
From 2000 to 2010, Platte County's population increased by 15,388 (20.70%), as compared to the national growth of 9.63%.
From 2010 to 2020, Platte County's population increased by 17,454 (19.46%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Platte County's population was lowest in year 2000 at 74,326.