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St. John, Missouri

City in St. Louis County, Missouri · ZIP 63114

  • St. Louis County
  • Census data · ACS 2019-2023
  • 2 public schools
Join St. JohnAsk St. JohnBusinessesPeople
  • 6,472 (2024 estimate)Population
  • 2,827Households
  • $50,429Median household income
  • $96,900Median home value
  • 2Public schools
  • 1ZIP codes

About St. John

This page shows only what has been published about St. John: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020−3.3%
6.4k6.6k6.8k7k2000: 6,87120002010: 6,51720102020: 6,64320206,8716,643
Population of St. John at each census
CensusPopulation
20006,871
20106,517
20206,643

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 29, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 29, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 29, retrieved November 14, 2026.

Household income in St. John
Under $50k49%
$50k to $100k31.4%
$100k to $150k14.1%
$150k to $200k1.6%
$200k and over3.9%

Median household income $50,429 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 29, retrieved November 14, 2026.

Housing tenure in St. John
Owner occupied
1,660 units
Renter occupied
1,167 units
Vacancy rate
4.7%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 29, retrieved November 14, 2026.

St. John compared with its county and state
St. John compared with its county and state, American Community Survey 2019-2023
MeasureSt. JohnSt. Louis CountyMissouri
Population6,562996,6186,168,181
Median household income$50,429$81,340$68,920
Median age38.740.238.9
Median home value$96,900$260,700$215,600
Bachelor’s degree or higher13.6%46.9%31.9%
Foreign-born residents7.8%8.1%4.4%
Owner-occupied homes58.7%69.0%67.9%
Mean commute to work22.9 minutes23.3 minutes23.7 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 29, retrieved November 14, 2026.

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Schools

Public schools in St. John2
Public schools in St. John, NCES directory 2023–2024
SchoolTypeGradesDistrict
RITENOUR EARLY CHILDHOOD CTRPublicPre-KRITENOUR
MARVIN ELEM.PublicK–5RITENOUR

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

Frequently asked about St. JohnPromoted from questions people asked

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Nearby towns

Other towns in St. Louis County

All towns in St. Louis County