| Official Name: | Key Center, Washington |
| Settlement Type: | CDP |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Washington |
| Subdivision Type2: | County |
| Subdivision Name2: | Pierce |
| Unit Pref: | Imperial |
| Population As Of: | 2010 |
| Population Total: | 3692 |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Elevation Ft: | 200 |
| Coordinates: | 47.3625°N -122.7375°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 98335 |
| Area Code: | 253 |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2584989 |
Key Center is a census-designated place (CDP) in Pierce County, Washington, United States. The population was 3,692 at the 2010 census. In 2016, the population grew to 3,810. The community is located on Key Peninsula.[1]