Lee's Summit Population

1880–2026

108.77K

2026 projection

7.1% since 2020 (increase)

020K40K60K80K100K120K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Lee's Summit. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026108,768+1,2541.17%
2025107,514+9320.87%
2024106,582+2,2662.17%
2023104,316+1,0020.97%
2022103,314+4770.46%
2021102,837+1,2721.25%
2020101,565+2,0112.02%
201999,554+8900.90%
201898,664+1,4011.44%
201797,263+1,1781.23%

Showing 10 of 30 years.

Lee's Summit Demographics

38.8median age

Median age

Female39.2 yrs
Male38.2 yrs

Adults

77,177
16,776 seniors · 22%60,401 other adults

Sex

Female 51.2% · 53,100Male 48.8% · 50,556

Population by age

MaleFemale85+ years, male: 89685+ years, female: 1,54280–84 years, male: 72880–84 years, female: 1,07775–79 years, male: 1,59375–79 years, female: 1,47470–74 years, male: 1,84270–74 years, female: 2,52565–69 years, male: 2,55965–69 years, female: 2,54060–64 years, male: 3,51460–64 years, female: 3,41655–59 years, male: 2,78855–59 years, female: 3,28450–54 years, male: 3,34350–54 years, female: 3,31145–49 years, male: 3,15145–49 years, female: 3,28440–44 years, male: 3,76440–44 years, female: 3,59035–39 years, male: 3,51135–39 years, female: 4,58530–34 years, male: 3,32230–34 years, female: 2,88425–29 years, male: 2,56325–29 years, female: 2,82620–24 years, male: 2,46620–24 years, female: 2,43515–19 years, male: 4,12115–19 years, female: 3,65210–14 years, male: 3,94610–14 years, female: 4,2325–9 years, male: 3,6485–9 years, female: 3,1940–4 years, male: 2,8010–4 years, female: 3,24985+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 1,037 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Lee's Summit Income

$102,531median household income

Median household income

$102,531

Half of households earn more, half earn less

Median earnings

$64,811

Typical yearly pay for a worker 25 or older.

Poverty rate

5.7%

About 1 in 17 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Lee's Summit Marital Status

57% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married57%60%55%
Never married28%30%25%
Divorced10%8%12%
Widowed5%2%7%
Separated<1%<1%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year