Zip Code 45766 — New Marshfield, OH

ZIP Code 45766 is associated with New Marshfield, OH, in Athens County. The listed population estimate is 1,298; estimated density is 15.4 people per square mile. Among records with population estimates, it ranks #7 of 14 in Athens County and #883 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.319310, -82.262470)

Data MetricLocal Statistic
Postal / Zip Code45766
Primary CityNew Marshfield
State / ProvinceOH
CountyAthens
Total Population1,298
Population Density15.4 people/sq mi
TimezoneAmerica/New_York

How 45766 Compares

MetricZIP 45766Athens County recordsOH records
Population estimate1,29853,129 (sum)11,810,293 (sum)
Population Density15.4 /sq mi----
County population rank#7 of 14----
State population rank#883 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 45654New Plymouth7.0 mi746
ZIP 45698Zaleski7.5 mi386
ZIP 45780The Plains7.8 mi2,828
ZIP 45710Albany8.6 mi5,067
ZIP 45719Chauncey9.1 mi655

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 →