Kendall County Population

1850–2026

147.82K

2026 projection

11.7% since 2020 (increase)

050K100K150K200K186018801900192019401960198020002020

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 Kendall County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026147,815+2,3451.61%
2025145,470+2,3451.64%
2024143,125+2,9012.07%
2023140,224+2,6671.94%
2022137,557+2,4991.85%
2021135,058+2,6942.04%
2020132,364+3,4642.69%
2019128,900+1,2370.97%
2018127,663+1,5001.19%
2017126,163+1,6141.30%

Showing 10 of 32 years.

Kendall County Demographics

36.3median age

Median age

Female37.2 yrs
Male35.5 yrs

Adults

100,437
15,466 seniors (65+) · 15% of adults84,971 other adults

Sex

Female 50% · 68,850Male 50% · 68,825

Population by age

MaleFemale85+ years, male: 39385+ years, female: 88480–84 years, male: 62180–84 years, female: 77575–79 years, male: 1,41375–79 years, female: 1,61370–74 years, male: 1,98270–74 years, female: 2,28265–69 years, male: 2,46665–69 years, female: 3,03760–64 years, male: 2,90260–64 years, female: 3,31155–59 years, male: 4,36655–59 years, female: 3,75550–54 years, male: 4,80150–54 years, female: 4,69145–49 years, male: 5,19945–49 years, female: 5,13040–44 years, male: 6,13840–44 years, female: 5,62535–39 years, male: 4,65235–39 years, female: 5,43030–34 years, male: 4,73330–34 years, female: 4,65325–29 years, male: 3,93225–29 years, female: 3,82420–24 years, male: 4,19520–24 years, female: 3,88915–19 years, male: 5,70115–19 years, female: 5,27110–14 years, male: 5,41210–14 years, female: 5,2505–9 years, male: 5,6905–9 years, female: 5,2700–4 years, male: 4,2290–4 years, female: 4,16085+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 1,377 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

Kendall County Income

$111,601median household income

Median household income

$111,601

Half of households earn more, half earn less

Median earnings

$62,284

Typical yearly pay for a worker 25 or older.

Poverty rate

5.4%

About 1 in 18 residents

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

Kendall County Marital Status

53% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married53%55%52%
Never married32%34%30%
Divorced10%8%11%
Widowed4%2%6%
Separated1%1%1%

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

Sources

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

Population

American Community Survey, 2024 5-year