State Centers of Population 1880-2020: Washington
State Centers of Population 1880-2020: Washington
| Year | North Latitude | West Longitude |
|---|---|---|
| 18801 | 47° 05′ 32″ | 120° 36′ 29″ |
| 18901 | 47° 15′ 44″ | 120° 52′ 30″ |
| 19001 | 47° 19′ 50″ | 120° 46′ 35″ |
| 19101 | 47° 23′ 06″ | 121° 04′ 16″ |
| 19201 | 47° 24′ 05″ | 121° 14′ 24″ |
| 19302 | 47° 20′ 36″ | 121° 09′ 12″ |
| 19402 | 47° 19′ 48″ | 121° 09′ 34″ |
| 19503 | 47° 20′ 26″ | 121° 23′ 04″ |
| 19603 | 47° 21′ 11″ | 121° 24′ 04″ |
| 19703 | 47° 21′ 10″ | 121° 31′ 57″ |
| 19804 | 47° 20′ 11″ | 121° 31′ 57″ |
| 19905 | 47° 21′ 09″ | 121° 36′ 46″ |
| 20006 | 47° 20′ 30″ | 121° 37′ 28″ |
| 20106 | 47° 19′ 51″ | 121° 37′ 12″ |
| 20206 | 47° 19' 46" | 121° 37' 57" |
1 Source: U.S. Department of Commerce, Bureau of the Census, Fourteenth Census of the United States, 1923
2 Source: U.S. Census Bureau, recomputation for historical county level data which relied upon aggregate county level population data with an estimated county centroid resulting in a possible error of up to one mile.
3 Source: U.S. Department of Commerce, Bureau of the Census, Centers of Population for States and Counties, 1974
4 Source: U.S. Census Bureau, Geography Division, recomputation from archived national block group/enumeration area data resulting in a possible error of up to 1,000 feet.
5 Source: U.S. Census Bureau, Geography Division, recomputation from archived national block group data resulting in a possible error of up to 1,000 feet.
6 Source: U.S. Census Bureau, computation from national block-level data.
Related Information
