Jasper County, Iowa Zip Codes

Zip Code	City	Population
50208	Newton	20,339
50054	Colfax	3,099
50170	Monroe	2,874
50228	Prairie City	2,688
50028	Baxter	1,776
50135	Kellogg	1,658
50251	Sully	1,478
50153	Lynnville	852
50168	Mingo	831
50232	Reasnor	650
50137	Killduff	90
50127	Ira	0

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.