Zip Code 50653 — Marble Rock, IA

ZIP Code 50653 is associated with Marble Rock, IA, in Floyd County. The listed population estimate is 486; estimated density is 3.6 people per square mile. Among records with population estimates, it ranks #6 of 7 in Floyd County and #678 of 969 in IA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.967370, -92.889270)

Data MetricLocal Statistic
Postal / Zip Code50653
Primary CityMarble Rock
State / ProvinceIA
CountyFloyd
Total Population486
Population Density3.6 people/sq mi
TimezoneAmerica/Chicago

How 50653 Compares

MetricZIP 50653Floyd County recordsIA records
Population estimate48615,044 (sum)3,210,984 (sum)
Population Density3.6 /sq mi----
County population rank#6 of 7----
State population rank#678 of 969----

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 IA

ZIP CodeCityDistancePopulation estimate
ZIP 50468Rockford6.4 mi1,617
ZIP 50636Greene6.5 mi2,186
ZIP 50433Dougherty8.5 mi157
ZIP 50611Bristow10.3 mi364
ZIP 50605Aredale11.6 mi63

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 →