Zip Code 63111 — Saint Louis, MO

ZIP Code 63111 is associated with Saint Louis, MO, in St. Louis County. The listed population estimate is 18,851; estimated density is 2,266.6 people per square mile. Among records with population estimates, it ranks #31 of 61 in St. Louis County and #105 of 1,021 in MO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.558450, -90.249930)

Data MetricLocal Statistic
Postal / Zip Code63111
Primary CitySaint Louis
State / ProvinceMO
CountySt. Louis
Total Population18,851
Population Density2,266.6 people/sq mi
TimezoneAmerica/Chicago

How 63111 Compares

MetricZIP 63111St. Louis County recordsMO records
Population estimate18,8511,308,579 (sum)6,191,989 (sum)
Population Density2,266.6 /sq mi----
County population rank#31 of 61----
State population rank#105 of 1,021----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MO

ZIP CodeCityDistancePopulation estimate
ZIP 63116Saint Louis1.7 mi42,170
ZIP 63118Saint Louis2.7 mi25,913
ZIP 63109Saint Louis3.1 mi25,236
ZIP 63125Saint Louis3.6 mi33,294
ZIP 63104Saint Louis4.1 mi19,007

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →