Zip Code 20861 — Ashton, MD

ZIP Code 20861 is associated with Ashton, MD, in Montgomery County. The listed population estimate is 2,890; estimated density is 215.6 people per square mile. Among records with population estimates, it ranks #34 of 46 in Montgomery County and #280 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.146530, -76.998860)

Data MetricLocal Statistic
Postal / Zip Code20861
Primary CityAshton
State / ProvinceMD
CountyMontgomery
Total Population2,890
Population Density215.6 people/sq mi
TimezoneAmerica/New_York

How 20861 Compares

MetricZIP 20861Montgomery County recordsMD records
Population estimate2,8901,076,754 (sum)6,205,597 (sum)
Population Density215.6 /sq mi----
County population rank#34 of 46----
State population rank#280 of 470----

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 MD

ZIP CodeCityDistancePopulation estimate
ZIP 20860Sandy Spring1.7 mi2,035
ZIP 20868Spencerville2.2 mi198
ZIP 20905Silver Spring2.5 mi19,004
ZIP 20777Highland2.6 mi3,221
ZIP 20862Brinklow2.6 mi430

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 →