St. Peters Population

1880–2026

62,354

2026 projection

8.1% since 2020 (increase)

010K20K30K40K50K60K70K18801900192019401960198020002020

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. Peters. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202662,354+8751.42%
202561,479+2720.44%
202461,207+1,6942.85%
202359,513+9661.65%
202258,547+3270.56%
202158,220+5150.89%
202057,705-4530.78%
201958,158+1,0541.85%
201857,104-770.13%
201757,181-40.01%

Showing 10 of 28 years.

St. Peters Demographics

41median age

Median age

Female42.4 yrs
Male39.5 yrs

Adults

46,748
11,461 seniors · 25%35,287 other adults

Sex

Female 52.9% · 31,235Male 47.1% · 27,857

Population by age

MaleFemale85+ years, male: 56785+ years, female: 83480–84 years, male: 35380–84 years, female: 73575–79 years, male: 55575–79 years, female: 1,00670–74 years, male: 1,36770–74 years, female: 1,84565–69 years, male: 1,88265–69 years, female: 2,31760–64 years, male: 2,47360–64 years, female: 2,71155–59 years, male: 1,69655–59 years, female: 2,08750–54 years, male: 1,50650–54 years, female: 1,47545–49 years, male: 1,42645–49 years, female: 1,62140–44 years, male: 1,83240–44 years, female: 2,40735–39 years, male: 2,09435–39 years, female: 2,14030–34 years, male: 2,06630–34 years, female: 1,88225–29 years, male: 1,82925–29 years, female: 1,64320–24 years, male: 1,62720–24 years, female: 1,76515–19 years, male: 1,35015–19 years, female: 1,42710–14 years, male: 1,70110–14 years, female: 1,9815–9 years, male: 1,9865–9 years, female: 1,4760–4 years, male: 1,5470–4 years, female: 1,88385+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

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 591 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. Peters Income

$91,637median household income

Median household income

$91,637

Half of households earn more, half earn less

Median earnings

$59,890

Typical yearly pay for a worker 25 or older.

Poverty rate

5.7%

About 1 in 18 residents

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

St. Peters Marital Status

54% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married54%59%49%
Never married28%29%27%
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