Zip Code 03743 — Claremont, NH

ZIP Code 03743 is associated with Claremont, NH, in Sullivan County. The listed population estimate is 13,704; estimated density is 89.5 people per square mile. Among records with population estimates, it ranks #1 of 15 in Sullivan County and #29 of 245 in NH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.360260, -72.324890)

Data MetricLocal Statistic
Postal / Zip Code03743
Primary CityClaremont
State / ProvinceNH
CountySullivan
Total Population13,704
Population Density89.5 people/sq mi
TimezoneAmerica/New_York

How 03743 Compares

MetricZIP 03743Sullivan County recordsNH records
Population estimate13,70442,802 (sum)1,394,951 (sum)
Population Density89.5 /sq mi----
County population rank#1 of 15----
State population rank#29 of 245----

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 NH

ZIP CodeCityDistancePopulation estimate
ZIP 03773Newport6.5 mi7,681
ZIP 03745Cornish7.9 mi1,816
ZIP 03603Charlestown7.9 mi5,238
ZIP 03601Acworth8.5 mi382
ZIP 03752Goshen11.6 mi1,042

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 →