There are 17 zip codes in Ogle County, Illinois. The most populated is 61068, located in Rochelle. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
6106814,862Rochelle
610107,399Byron
610616,880Oregon
610643,898Polo
610543,633Mount Morris
610203,170Davis Junction
610843,118Stillman Valley
610302,292Forreston
610471,626Leaf River
610521,038Monroe Center
61015903Chana
61049644Lindenwood
61007325Baileyville
60113245Creston
60129224Esmond
61043159Holcomb
610910Woosung

Zip Codes in Ogle County, Illinois by Population (2024)