Zip Code 63077 — Saint Clair, MO

ZIP Code 63077 is associated with Saint Clair, MO, in Franklin County. The listed population estimate is 11,391; estimated density is 50.2 people per square mile. Among records with population estimates, it ranks #5 of 20 in Franklin County and #173 of 1,021 in MO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.326480, -90.985370)

Data MetricLocal Statistic
Postal / Zip Code63077
Primary CitySaint Clair
State / ProvinceMO
CountyFranklin
Total Population11,391
Population Density50.2 people/sq mi
TimezoneAmerica/Chicago

How 63077 Compares

MetricZIP 63077Franklin County recordsMO records
Population estimate11,391114,137 (sum)6,191,989 (sum)
Population Density50.2 /sq mi----
County population rank#5 of 20----
State population rank#173 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 63084Union6.5 mi20,708
ZIP 63079Stanton7.5 mi60
ZIP 63060Lonedell8.0 mi2,192
ZIP 63072Robertsville9.7 mi3,469
ZIP 63080Sullivan9.9 mi13,124

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 →