Zip Code 63866 — Marston, MO

ZIP Code 63866 is associated with Marston, MO, in New Madrid County. The listed population estimate is 409; estimated density is 40.8 people per square mile. Among records with population estimates, it ranks #8 of 13 in New Madrid County and #816 of 1,021 in MO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (36.526060, -89.606540)

Data MetricLocal Statistic
Postal / Zip Code63866
Primary CityMarston
State / ProvinceMO
CountyNew Madrid
Total Population409
Population Density40.8 people/sq mi
TimezoneAmerica/Chicago

How 63866 Compares

MetricZIP 63866New Madrid County recordsMO records
Population estimate40913,115 (sum)6,191,989 (sum)
Population Density40.8 /sq mi----
County population rank#8 of 13----
State population rank#816 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 63862Lilbourn5.8 mi1,237
ZIP 63873Portageville7.4 mi4,015
ZIP 63869New Madrid9.0 mi3,218
ZIP 63860Kewanee10.3 mi172
ZIP 63833Catron10.9 mi137

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 →