Lake Saint Louis, MO

Single-footprint Census roll-up for Lake Saint Louis, MO: 1 USPS ZIP, population 19,433. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet LAKE-SAINT-LOUIS-MO · Lake Saint Louis, MO 1 ZIPs · 19,433 pop · #1239/25278 · St. Charles County

INC-TOP · RANK-TOP · BELOW-PEER · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-HIGH

  • INC-TOP $137,648
  • RANK-TOP #1239/25278
  • BELOW-PEER under Augusta
  • BOOK-ONE 1 ZIP
  • OWN-MID 82% owners
  • POP-TOWN 19,433
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $409,100

Nearest income peer: Augusta, MO (+ $8,498 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Lake Saint Louis

Lowest/highest poles plus county-sharing cities nearest Lake Saint Louis on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Lake Saint Louis, MO sits among US cities with a top-decile household income, on a town-scale population base, across a single-ZIP footprint.

Top 5%
household income vs 25,278 US cities
19,433
city population (Census)
1
USPS ZIP codes covered
$137,648
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $137,648 and home value $409,100 should be read as near-neighborhood numbers ; bachelor's attainment averages 52.0%.

Owner-occupancy sits in a mixed band (81.5%) - check the ZIP page's tenure split before treating Lake Saint Louis as a pure owner town.

Within Missouri, Lone Jack is the closest lower-income city and Augusta the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Lake Saint Louis.

Population concentration

Lake Saint Louis reads through its lone ZIP, 63367

19,433 ACS residents, one ZIP: 63367 is not the leading code inside Lake Saint Louis, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.

Census ZBP business roll-up

Dense ZBP book packed into Lake Saint Louis's one ZIP

Citywide ZBP: 527 establishments, 7,520 employees , annual payroll $362,360k (~27 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 63367 (527 units) ; leading NAICS Health care and social assistance (75) · also Retail trade · Accommodation and food services .

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ZIP Codes in Lake Saint Louis, MO

These ZIP codes sit in St. Charles County, which covers 13 ZIP codes in all; 1 of them fall in Lake Saint Louis. See the St. Charles County roll-up →

Lake Saint Louis sits in the upper half of St. Charles County on income: Saint Charles, O Fallon and Saint Peters report less, while Defiance and Augusta report more. Portage Des Sioux marks the far end of that range at $88,750, 36% below Lake Saint Louis.

ZIP Code Population Median income Establishments Density
63367 19,433 $137,648 527 561

Lake Saint Louis roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Lake Saint Louis, .