St. Charles Population

1850–2026

72,939

2026 projection

3% since 2020 (increase)

020K40K60K80K186018801900192019401960198020002020

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 St. Charles. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202672,939+3780.52%
202572,561+2070.29%
202472,354+3310.46%
202372,023+6810.95%
202271,342+1630.23%
202171,179+3380.48%
202070,841-1100.16%
201970,951+1740.25%
201870,777+3920.56%
201770,385+9601.38%

Showing 10 of 33 years.

St. Charles Demographics

38.6median age

Median age

Female40.1 yrs
Male37.3 yrs

Adults

58,866
13,051 seniors · 22%45,815 other adults

Sex

Female 50.2% · 35,901Male 49.8% · 35,607

Population by age

MaleFemale85+ years, male: 55785+ years, female: 1,01080–84 years, male: 70280–84 years, female: 1,14375–79 years, male: 96075–79 years, female: 1,31470–74 years, male: 1,45070–74 years, female: 1,75065–69 years, male: 1,96665–69 years, female: 2,19960–64 years, male: 2,17660–64 years, female: 2,53355–59 years, male: 2,66755–59 years, female: 2,35650–54 years, male: 1,74450–54 years, female: 1,97745–49 years, male: 2,01345–49 years, female: 1,65340–44 years, male: 2,20340–44 years, female: 2,05535–39 years, male: 2,47835–39 years, female: 2,54030–34 years, male: 2,50330–34 years, female: 2,44925–29 years, male: 2,87025–29 years, female: 2,50720–24 years, male: 3,82220–24 years, female: 2,98915–19 years, male: 2,17315–19 years, female: 2,47310–14 years, male: 1,93010–14 years, female: 1,5525–9 years, male: 1,9695–9 years, female: 1,7020–4 years, male: 1,4240–4 years, female: 1,69985+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K3K3K

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 715 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

St. Charles Income

$85,937median household income

Median household income

$85,937

Half of households earn more, half earn less

Median earnings

$61,034

Typical yearly pay for a worker 25 or older.

Poverty rate

7.3%

About 1 in 14 residents

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

St. Charles Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%49%45%
Never married35%39%31%
Divorced12%9%14%
Widowed6%2%9%
Separated1%<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