| Irwin | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | California#USA |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in California |
| Pushpin Image: | California Locator Map with US.PNG |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | California |
| Subdivision Type2: | County |
| Subdivision Name2: | Merced County |
| Coordinates: | 37.3969°N -120.85°W |
| Elevation M: | 30 |
| Elevation Ft: | 98 |
Irwin is an unincorporated community in Merced County, California, United States. It is located 4.5miles west-northwest of Delhi and about 1miles south of Hilmar, at an elevation of 98 feet (30 m). For census purposes, Irwin is aggregated with nearby communities in the census-designated place Hilmar-Irwin, California.
A post office operated at Irwin from 1911 to 1958. The name honors W.A. Irwin, founder of the town.
In the early twentieth century, Irwin had a schoolhouse with several teachers, three churches, a hotel, and two cream shipping stations. Much of the population of the time was of Swedish descent.[1]