How many people live in ?

Updated annually
In 2025, there were 2.98 million people living in Kansas. That makes Kansas the 34th-most populous state, home to 0.87% of people living in the US.

2.98M

population of Kansas (2025)

0.87%

Kansas share of the US population (2025)
The population of Kansas was about 2.0 times higher than it was in 1900. Between 2024 and 2025, the population of Kansas grew by about 12,000 people.

About 2.98 million people lived in Kansas in 2025. That's about 2.0 times more than in 1900.

Annual population estimates

What are Kansas's age demographics?

About 528,200 Kansas residents were aged 65 and older in 2024. That represents 17.9% of the state’s population compared with 18% in the US overall.
Another 692,600 Kansas residents, or 23.5% of the state’s population, were aged under 18. For comparison, children account for 21.6% of the US population.

A lower share of Kansas's population is 65 and older than the US overall.

Population share by age group (2024)

What are Kansas's racial and ethnic demographics?

A state’s population may have racial and ethnic differences compared with the US overall. These figures reflect how people identified their race alone (not in combination with other races), and separate Hispanic or Latino ethnicity, following Census Bureau reporting standards.
Non-Hispanic white residents make up 73% of Kansas’s population, higher than the national share of 57.5%. Kansas also has a larger share of people identifying as non-Hispanic two or more races (2.9%) than the US overall (2.5%).
In contrast, Kansas’s Hispanic population accounted for 14.2%, below the 20% share nationwide. The non-Hispanic Black or African American population makes up 5.8% of the state, compared with 12.6% nationally.

A higher share of Kansas's population is non-Hispanic white than the US overall.

Population share by race and ethnicity (2024)

What are Kansas's most populous counties?

In 2024, four out of 105 counties accounted for over half of Kansas's population:
  • Johnson County, 632,300 (21.3% of the population)
  • Sedgwick County, 536,100 (18.1%)
  • Shawnee County, 177,900 (6%)
  • Wyandotte County, 169,400 (5.7%)

In 2024, Johnson County was the most populous county in Kansas.

Population estimates

What are Kansas's most populous cities?

The largest city in Kansas is Wichita with about 401,000 residents in 2024.

Cities and counties in Kansas ranked by population

Cities and counties in Kansas ranked by population
1.

Wichita 

400,991
2.

Overland Park

202,893
3.

Kansas City

156,752
4.

Olathe 

149,035
5.

Topeka 

125,467
6.

Lawrence 

97,271
7.

Shawnee 

69,724
8.

Lenexa 

59,427
9.

Manhattan 

54,700
10.

Salina 

46,109

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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.