How many people live in Wyandotte County, KS?
Refreshed annually
In 2025, there were about 170,600 people living in Wyandotte County, KS. That makes Wyandotte County the fourth-most populous county in Kansas. It is home to 5.7% of people living in the state.
171K
population of Wyandotte County, KS (2025)
5.7%
County share of the Kansas population (2025)
About 170,600 people lived in Wyandotte County, KS in 2025.
Population estimates, 2000–2025
What are Wyandotte County, KS's age demographics?
About 23,300 Wyandotte County residents are aged 65 and older in 2024. That represents 13.7% of its population. For comparison, the age group represents 17.9% of Kansas’s population and 18% in the US overall.
Another 45,400 Wyandotte County residents, or 26.8% of the population, were children under 18. For comparison, the age group represents 23.5% of Kansas’s population and 21.6% in the US overall.
A higher share of Wyandotte County, KS's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Wyandotte County, KS's racial and ethnic demographics?
Non-Hispanic white residents make up X% of the Wyandotte County population, higher than the national share of Y%. Wyandotte County also has a larger share of people identifying as Hispanic (35.5%) than the US overall (20%).
In contrast, Wyandotte County’s non-Hispanic white population accounts for 36.1%, below the 57.5% nationwide, and the non-Hispanic Asian population makes up 5.7% of the county, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Wyandotte County, KS has a higher share of a Hispanic population than Kansas as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Wyandotte County, KS is Kansas City with about 156,800 residents in 2024.
Cities and towns in Wyandotte County, KS ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Kansas City | 156,752 |
| 2. | Bonner Springs (pt.) | 7,825 |
| 3. | Edwardsville | 4,748 |
| 4. | Lake Quivira (pt.) | 53 |
| 5. | Balance of Wyandotte County | 40 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
