Kendall County Population

1870–2026

54,601

2026 projection

22.5% since 2020 (increase)

010K20K30K40K50K60K18801900192019401960198020002020

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.
202654,601+1,3122.46%
202553,289+1,3122.52%
202451,977+1,4182.80%
202350,559+1,5013.06%
202249,058+2,1754.64%
202146,883+2,3155.19%
202044,568-2,8506.01%
201947,418+1,8043.95%
201845,614+1,6293.70%
201743,985+2,0694.94%

Showing 10 of 30 years.

Kendall County Demographics

43.2median age

Median age

Female43.8 yrs
Male42.3 yrs

Adults

37,715
9,889 seniors (65+) · 26% of adults27,826 other adults

Sex

Female 51% · 24,747Male 49% · 23,820

Population by age

MaleFemale85+ years, male: 34085+ years, female: 81680–84 years, male: 55080–84 years, female: 53375–79 years, male: 85175–79 years, female: 1,01570–74 years, male: 1,55270–74 years, female: 1,16165–69 years, male: 1,30065–69 years, female: 1,77160–64 years, male: 1,58860–64 years, female: 1,58955–59 years, male: 1,71455–59 years, female: 1,81950–54 years, male: 1,63550–54 years, female: 1,62545–49 years, male: 1,56645–49 years, female: 1,58040–44 years, male: 1,48340–44 years, female: 2,02035–39 years, male: 1,59235–39 years, female: 1,29130–34 years, male: 1,25030–34 years, female: 1,19025–29 years, male: 87825–29 years, female: 1,32020–24 years, male: 1,57520–24 years, female: 1,10315–19 years, male: 1,66015–19 years, female: 1,54010–14 years, male: 1,52210–14 years, female: 1,6545–9 years, male: 1,6735–9 years, female: 1,5540–4 years, male: 1,0910–4 years, female: 1,16685+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

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 486 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

$114,962median household income

Median household income

$114,962

Half of households earn more, half earn less

Median earnings

$60,842

Typical yearly pay for a worker 25 or older.

Poverty rate

5%

About 1 in 20 residents

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

Kendall County Marital Status

59% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married59%61%57%
Never married24%26%21%
Divorced11%9%13%
Widowed6%2%9%
Separated<1%<1%<1%

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