Tool

ZIP Codes Within a Radius

Enter a ZIP code and a distance. The tool lists every residential ZIP code whose center (the Census Bureau's internal point of its area) lies within that many miles, nearest first. PO Box and single-organization codes have no area of their own, so they are not placed.

18 other ZIP codes within 10 miles of 20871

The 10-mile circle around 20871's center; residential ZIP codes centered inside it, shaded by median household income in national fifths (ACS 2020-2024); the others are outlined. <$54k$98k+no figureZIP codes centered outside the circle

Distance between internal points, in miles
ZIP	Town	People	Miles
20871	Clarksburg, MD	30,182	0.0
20876	Germantown, MD	26,406	4.4
20872	Damascus, MD	13,983	4.9
20838	Barnesville, MD	306	5.3
21754	Ijamsville, MD	8,156	5.4
20841	Boyds, MD	9,969	5.7
20886	Montgomery Village, MD	34,718	6.4
21770	Monrovia, MD	8,751	6.5
20882	Gaithersburg, MD	13,751	6.7
20842	Dickerson, MD	2,369	8.2
21704	Frederick, MD	20,006	8.3
20899	Gaithersburg, MD	57	8.7
21710	Adamstown, MD	4,661	8.7
20874	Germantown, MD	62,738	8.8
20879	Gaithersburg, MD	25,264	8.9
20877	Gaithersburg, MD	38,546	9.5
20839	Beallsville, MD	158	9.6
21717	Buckeystown, MD	245	9.7
20880	Washington Grove, MD	577	10.0

Source: U.S. Census Bureau, 2023 Gazetteer internal points (2020 ZCTAs); GeoNames postal codes (CC BY 4.0) for a PO Box origin's town. Straight-line distance, not driving distance.