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.

11 other ZIP codes within 10 miles of 21921

The 10-mile circle around 21921'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
21921	Elkton, MD	45,527	0.0
21920	Elk Mills, MD	1,413	2.2
21901	North East, MD	19,514	6.5
19716	Newark, DE	0	6.7
19717	Newark, DE	6,036	6.8
19702	Newark, DE	55,683	7.0
21914	Charlestown, MD	810	7.5
19713	Newark, DE	30,747	8.5
19711	Newark, DE	49,432	8.7
21915	Chesapeake City, MD	2,471	9.1
19701	Bear, DE	42,984	9.2
19350	Landenberg, PA	10,945	9.8

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.