Zip Code 63457 — Monticello, MO

ZIP Code 63457 is associated with Monticello, MO, in Lewis County. The listed population estimate is 389; estimated density is 4.3 people per square mile. Among records with population estimates, it ranks #6 of 8 in Lewis County and #826 of 1,021 in MO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.172720, -91.701150)

Data MetricLocal Statistic
Postal / Zip Code63457
Primary CityMonticello
State / ProvinceMO
CountyLewis
Total Population389
Population Density4.3 people/sq mi
TimezoneAmerica/Chicago

How 63457 Compares

MetricZIP 63457Lewis County recordsMO records
Population estimate38910,296 (sum)6,191,989 (sum)
Population Density4.3 /sq mi----
County population rank#6 of 8----
State population rank#826 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 63435Canton6.6 mi4,318
ZIP 63473Williamstown6.9 mi375
ZIP 63452Lewistown7.1 mi1,026
ZIP 63466Saint Patrick7.8 miN/A
ZIP 63447La Belle12.1 mi1,060

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 →