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Zip Code 43143 — Mount Sterling, OH

ZIP Code 43143 is associated with Mount Sterling, OH, in Madison County. The listed population estimate is 5,803; estimated density is 16.8 people per square mile. Among records with population estimates, it ranks #4 of 7 in Madison County and #489 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.718010, -83.296720)

Data MetricLocal Statistic
Postal / Zip Code43143
Primary CityMount Sterling
State / ProvinceOH
CountyMadison
Total Population5,803
Population Density16.8 people/sq mi
TimezoneAmerica/New_York

How 43143 Compares

MetricZIP 43143Madison County recordsOH records
Population estimate5,80356,968 (sum)11,810,293 (sum)
Population Density16.8 /sq mi----
County population rank#4 of 7----
State population rank#489 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 43117Derby6.0 mi7
ZIP 43106Bloomingburg8.2 mi1,587
ZIP 43146Orient9.0 mi13,387
ZIP 43126Harrisburg9.3 mi306
ZIP 43151Sedalia9.6 mi233

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 →