Quick Facts
| County seat | McMinnville |
|---|---|
| Region | Willamette Valley |
| Population (2020 Census) | 110,024 |
| Land & water area | 716 sq mi |
| Population density | 153.7 people per sq mi |
| Established | 1843 |
| Formed from | One of the original four districts of the Oregon Country |
| Name origin | Named for the Yamhill band of Kalapuya, a local Native American group. |
| Incorporated cities | 11 |
| Main electric utility | Portland General Electric |
| FIPS code | 41071 |
| Official county website | co.yamhill.or.us |
About Yamhill County
Yamhill County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 107,722. The county seat is McMinnville. Yamhill County was named after the Yamhelas, members of the Kalapuya Tribe.
Yamhill County is part of the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area. It is in the Willamette Valley.
Source: adapted from Wikipedia, available under CC BY-SA 4.0.
Cities in Yamhill County
| City | Population (2020) | Incorporated |
|---|---|---|
| McMinnville ★ | 34,319 | 1876 |
| Newberg | 25,138 | 1889 |
| Sheridan | 6,233 | 1880 |
| Lafayette | 4,423 | 1878 |
| Dundee | 3,238 | 1895 |
| Dayton | 2,678 | 1880 |
| Willamina | 2,239 | 1903 |
| Carlton | 2,220 | 1899 |
| Amity | 1,757 | 1880 |
| Yamhill | 1,147 | 1891 |
| Gaston | 676 | 1911 |
★ county seat. Cities that span more than one county are listed in each.