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 21030

The 10-mile circle around 21030'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
21030	Cockeysville, MD	25,827	0.0
21023	Butler, MD	66	2.3
21152	Sparks Glencoe, MD	6,459	2.8
21031	Hunt Valley, MD	26	2.9
21131	Phoenix, MD	7,141	5.9
21093	Lutherville Timonium, MD	39,100	6.2
21071	Glyndon, MD	404	6.3
21153	Stevenson, MD	456	6.8
21155	Upperco, MD	3,313	7.0
21111	Monkton, MD	4,714	7.1
21117	Owings Mills, MD	62,816	7.4
21204	Towson, MD	19,845	8.5
21120	Parkton, MD	7,440	9.1
21208	Pikesville, MD	37,276	9.2
21136	Reisterstown, MD	32,088	9.4
21252	Towson, MD	4,865	9.6
21286	Towson, MD	21,853	9.8
21285	Towson, MD	3	9.9
21209	Baltimore, MD	30,126	9.9

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.