Home > OH > Ottawa County > Lakeside Marblehead > Zip 43440

Zip Code 43440 — Lakeside Marblehead, OH

43440 is a ZIP Code associated with Lakeside Marblehead, OH, located within Ottawa. The postal region supports an estimated population of 4,222 residents across Data Pending housing units, with a population density of 102.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.526620, -82.781450)

Data MetricLocal Statistic
Postal / Zip Code43440
Primary CityLakeside Marblehead
State / ProvinceOH
CountyOttawa
Total Population4,222
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density102.6 people/sq mi
TimezoneAmerica/New_York

How 43440 Compares

MetricZIP 43440Ottawa CountyOH State Average
Population4,22237,84911,810,293
Median IncomeData PendingN/AN/A
Population Density102.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 43433Gypsum5.3 miN/AN/A
Zip 43438Kelleys Island6.7 mi128N/A
Zip 43456Put In Bay8.8 mi692N/A
Zip 44870Sandusky9.0 mi39,883N/A
Zip 43452Port Clinton9.5 mi14,264N/A

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 →