Washington Natural Population Increase Rate By County in 2020
According to the US Census Bureau estimates, in 2020, the natural population increase rate for Washington was 2.96, and the top three counties that had the highest natural population increase rate were:
- Adams County: 12.96
- Franklin County: 10.85
- Grant County: 7.3
On the other hand, the top 3 counties that had the lowest natural population increase rate were:
- Pacific County: -8.39
- Jefferson County: -7.53
- Clallam County: -7.41
Use the interactive visualization and the table below to explore the natural population increase rate for each Washington county in 2020. You can also find links to the historical natural population increase rate for each county below.
Natural Population Increase Rate refers to the natural increase (number of births minus number of deaths) during a year per 1,000 population at midyear.
| County | Natural Pop. Increase Rate |
|---|---|
| Adams | 12.96 |
| Asotin | -2.72 |
| Benton | 4.71 |
| Chelan | 1.54 |
| Clallam | -7.41 |
| Clark | 2.87 |
| Columbia | -4.71 |
| Cowlitz | -0.17 |
| Douglas | 2.97 |
| Ferry | -2.2 |
| Franklin | 10.85 |
| Garfield | -1.76 |
| Grant | 7.3 |
| Grays Harbor | -3.05 |
| Island | 0.79 |
| Jefferson | -7.53 |
| King | 4.2 |
| Kitsap | 1.3 |
| Kittitas | 0.91 |
| Klickitat | -0.75 |
| Lewis | -0.69 |
| Lincoln | -1.91 |
| Mason | -1.48 |
| Okanogan | -1.43 |
| Pacific | -8.39 |
| Pend Oreille | -3.44 |
| Pierce | 3.84 |
| San Juan | -3.04 |
| Skagit | 0.25 |
| Skamania | -1.65 |
| Snohomish | 4.23 |
| Spokane | 1.36 |
| Stevens | -2.26 |
| Thurston | 1.76 |
| Wahkiakum | -6.28 |
| Walla Walla | -0.11 |
| Whatcom | 0.83 |
| Whitman | 1.69 |
| Yakima | 5.65 |
Historical Natural Population Increase Rate for Counties in Washington
Use the links below to find the historical natural population increase rate for each county in Washington.