O'Leary, Iowa

O'Leary: a city in Plymouth County, Iowa.

About

O'Leary is a city located in the county of Plymouth in the U.S. state of Iowa.

Quick Facts about O'Leary

State Iowa (United States)
County Plymouth County
Latitude & Longitude 42.7067,-96.0586
Time Zone America/Chicago
Local time 20:24:21 (6th November 2026)
Weather 43℉ Partly Sunny 7-days weather

Geography

O'Leary is located at 42°42'24"N 96°3'31"W (42.7066600, -96.0586300).

O'Leary map

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Weather

43°F
Partly Sunny
0 to 5 mph SE Today

Partly sunny. High near 43, with temperatures falling to around 40 in the afternoon. Southeast wind 0 to 5 mph.

7-Day Forecast
OLeary

Nearby Schools and Colleges

Schools and campuses linked to O'Leary, IA. Select a name to open its map and contact details.

Code Name City ZIP
154101 Northwestern College Orange City (IA) 51041
154572 Western Iowa Tech Community College Sioux City (IA) 51102-5199
154262 St Luke's College Sioux City (IA) 51104-0263
152992 Briar Cliff University Sioux City (IA) 51104
154004 Morningside College Sioux City (IA) 51106-1751

Closest post offices linked to O'Leary.

Post Office Name City ZIP
Oyen Post Office Oyens (IA) 51045

Other cities in Plymouth County

Cities, towns, neighborhoods & other populated places in Plymouth County , IA.

City Name Population Title
Le Mars 10,195 City in Iowa, United States
Remsen 1,607 City in Plymouth County, Iowa, United States of America
Akron 1,454 City in Plymouth County, South Dakota, United States