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Zip Code 45750 — Marietta, OH

ZIP Code 45750 is associated with Marietta, OH, in Washington County. The listed population estimate is 26,420; estimated density is 95.5 people per square mile. Among records with population estimates, it ranks #1 of 15 in Washington County and #136 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.430100, -81.429470)

Data MetricLocal Statistic
Postal / Zip Code45750
Primary CityMarietta
State / ProvinceOH
CountyWashington
Total Population26,420
Population Density95.5 people/sq mi
TimezoneAmerica/New_York

How 45750 Compares

MetricZIP 45750Washington County recordsOH records
Population estimate26,42057,228 (sum)11,810,293 (sum)
Population Density95.5 /sq mi----
County population rank#1 of 15----
State population rank#136 of 1,215----

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 OH

ZIP CodeCityDistancePopulation estimate
ZIP 45788Whipple6.6 mi691
ZIP 45773Reno7.8 mi600
ZIP 45744Lowell8.6 mi2,179
ZIP 45768Newport8.9 mi1,503
ZIP 45729Fleming9.6 mi2,121

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 →