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.

15 other ZIP codes within 10 miles of 63303

The 10-mile circle around 63303'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
63303	Saint Charles, MO	46,089	0.0
63146	Saint Louis, MO	30,678	4.3
63045	Earth City, MO	0	4.8
63043	Maryland Heights, MO	21,924	4.8
63376	Saint Peters, MO	74,962	5.6
63017	Chesterfield, MO	43,243	5.8
63044	Bridgeton, MO	10,324	6.5
63141	Saint Louis, MO	20,932	7.4
63304	Saint Charles, MO	43,195	8.0
63074	Saint Ann, MO	15,793	8.4
63005	Chesterfield, MO	19,779	8.8
63301	Saint Charles, MO	52,667	9.2
63042	Hazelwood, MO	17,813	9.3
63011	Ballwin, MO	35,920	9.3
63132	Saint Louis, MO	14,283	10.0
63368	O Fallon, MO	46,966	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.