Zip Code 03584 — Lancaster, NH

ZIP Code 03584 is associated with Lancaster, NH, in Coos County. The listed population estimate is 3,501; estimated density is 21.8 people per square mile. Among records with population estimates, it ranks #2 of 14 in Coos County and #109 of 245 in NH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (44.486960, -71.542780)

Data MetricLocal Statistic
Postal / Zip Code03584
Primary CityLancaster
State / ProvinceNH
CountyCoos
Total Population3,501
Population Density21.8 people/sq mi
TimezoneAmerica/New_York

How 03584 Compares

MetricZIP 03584Coos County recordsNH records
Population estimate3,50130,887 (sum)1,394,951 (sum)
Population Density21.8 /sq mi----
County population rank#2 of 14----
State population rank#109 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 03583Jefferson7.2 mi1,013
ZIP 03598Whitefield8.6 mi3,396
ZIP 03582Groveton9.3 mi1,949
ZIP 03595Twin Mountain12.5 mi648
ZIP 03575Bretton Woods15.0 mi11

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 →