How many people live in Douglas County, KS?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 122,000 people living in Douglas County, KS. That makes Douglas County the fifth-most populous county in Kansas. It is home to 4.1% of people living in the state.
122K
population of Douglas County, KS (2024)
4.1%
County share of the Kansas population (2024)
About 122,000 people lived in Douglas County, KS in 2024.
Population estimates, 2000–2024
What are Douglas County, KS’s age demographics?
About 18,100 Douglas County, KS residents are aged 65 and older in 2024. That represents 14.8% of its population. For comparison, the age group represents 17.9% of Kansas’s population and 18% in the US overall.
Another 20,700 Douglas County residents, or 17% 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 Douglas County, KS's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Douglas County, KS’s racial and ethnic demographics?
Non-Hispanic white residents make up 76.4% of the Douglas County, KS population, higher than the national share of 57.5%. Douglas County, KS also has a larger share of people identifying as non-Hispanic two or more races (4.1%) than the US overall (2.5%).
In contrast, Douglas County’s Hispanic population accounts for 7.4%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 4.4% of the county, compared with 12.6% 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.
Douglas County, KS has a higher share of a non-Hispanic white population than Kansas as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Douglas County, KS is Lawrence with about 97,300 residents in 2024.
Cities and towns in Douglas County, KS ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Lawrence | 97,271 |
| 2. | Eudora | 6,564 |
| 3. | Baldwin City | 4,985 |
| 4. | Wakarusa | 2,183 |
| 5. | Willow Springs | 1,582 |
| 6. | Kanwaka | 1,495 |
| 7. | Marion | 878 |
| 8. | Clinton | 649 |
| 9. | Lecompton | 592 |
| 10. | Grant | 394 |
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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.