Counties in Washington by birth rate (July to June)

Adams County had the highest birth rate (July to June) of 39 counties in 2024, at 18.09 per 1,000 inhabitants. Jefferson County had the lowest, at 4.02 per 1,000 inhabitants. The median was 9.73 per 1,000 inhabitants and the figure for Washington was 10.42 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Highest18.09Adams County
Median9.7339 counties
Washington10.42History

All counties, 2024

CSVChart (SVG)

Adams CountyAdams County: 18.09 per 1,000 inhabitants18.09Franklin CountyFranklin County: 14.26 per 1,000 inhabitants14.26Grant CountyGrant County: 13.4 per 1,000 inhabitants13.4Yakima CountyYakima County: 12.35 per 1,000 inhabitants12.35Asotin CountyAsotin County: 12.08 per 1,000 inhabitants12.08Snohomish CountySnohomish County: 11.67 per 1,000 inhabitants11.67Benton CountyBenton County: 11.35 per 1,000 inhabitants11.35Pierce CountyPierce County: 11.26 per 1,000 inhabitants11.26Clark CountyClark County: 11.03 per 1,000 inhabitants11.03Cowlitz CountyCowlitz County: 10.91 per 1,000 inhabitants10.91Lincoln CountyLincoln County: 10.78 per 1,000 inhabitants10.78Lewis CountyLewis County: 10.61 per 1,000 inhabitants10.61Douglas CountyDouglas County: 10.51 per 1,000 inhabitants10.51Spokane CountySpokane County: 10.48 per 1,000 inhabitants10.48Skagit CountySkagit County: 10.44 per 1,000 inhabitants10.44Klickitat CountyKlickitat County: 10.42 per 1,000 inhabitants10.42Stevens CountyStevens County: 9.99 per 1,000 inhabitants9.99King CountyKing County: 9.83 per 1,000 inhabitants9.83Chelan CountyChelan County: 9.82 per 1,000 inhabitants9.82Kitsap CountyKitsap County: 9.73 per 1,000 inhabitants9.73Mason CountyMason County: 9.7 per 1,000 inhabitants9.7Okanogan CountyOkanogan County: 9.64 per 1,000 inhabitants9.64Columbia CountyColumbia County: 9.62 per 1,000 inhabitants9.62Thurston CountyThurston County: 9.52 per 1,000 inhabitants9.52Walla Walla CountyWalla Walla County: 8.96 per 1,000 inhabitants8.96Ferry CountyFerry County: 8.91 per 1,000 inhabitants8.91Grays Harbor CountyGrays Harbor County: 8.66 per 1,000 inhabitants8.66Whatcom CountyWhatcom County: 8.38 per 1,000 inhabitants8.38Island CountyIsland County: 8.33 per 1,000 inhabitants8.33Skamania CountySkamania County: 8.31 per 1,000 inhabitants8.31Whitman CountyWhitman County: 8.26 per 1,000 inhabitants8.26Pend Oreille CountyPend Oreille County: 8.07 per 1,000 inhabitants8.07Kittitas CountyKittitas County: 7.86 per 1,000 inhabitants7.86Garfield CountyGarfield County: 7.15 per 1,000 inhabitants7.15Pacific CountyPacific County: 6.9 per 1,000 inhabitants6.9Clallam CountyClallam County: 6.77 per 1,000 inhabitants6.77Wahkiakum CountyWahkiakum County: 6.68 per 1,000 inhabitants6.68San Juan CountySan Juan County: 4.8 per 1,000 inhabitants4.8Jefferson CountyJefferson County: 4.02 per 1,000 inhabitants4.02
per 1,000 inhabitants. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2024
per 1,000 inhabitants
Change on 2023
1Adams County Estimated18.09+1.04 pts
2Franklin County Estimated14.26-0.14 pts
3Grant County Estimated13.4-0.79 pts
4Yakima County Estimated12.35-0.6 pts
5Asotin County Estimated12.08+2.83 pts
6Snohomish County Estimated11.67+0.02 pts
7Benton County Estimated11.35+0.02 pts
8Pierce County Estimated11.26-0.44 pts
9Clark County Estimated11.03+0.66 pts
10Cowlitz County Estimated10.91+0.29 pts
11Lincoln County Estimated10.78+0.84 pts
12Lewis County Estimated10.61-0.89 pts
13Douglas County Estimated10.51-0.01 pts
14Spokane County Estimated10.48-0.17 pts
15Skagit County Estimated10.44-0.46 pts
16Klickitat County Estimated10.42+2 pts
17Stevens County Estimated9.99+0.15 pts
18King County Estimated9.83-0.06 pts
19Chelan County Estimated9.82-0.06 pts
20Kitsap County Estimated9.73-0.29 pts
21Mason County Estimated9.7+0.16 pts
22Okanogan County Estimated9.64-1.16 pts
23Columbia County Estimated9.62+0.96 pts
24Thurston County Estimated9.52-0.33 pts
25Walla Walla County Estimated8.96-0.14 pts
26Ferry County Estimated8.91-0.06 pts
27Grays Harbor County Estimated8.66+0.05 pts
28Whatcom County Estimated8.38-0.02 pts
29Island County Estimated8.33-0.16 pts
30Skamania County Estimated8.31+0.58 pts
31Whitman County Estimated8.26-0.58 pts
32Pend Oreille County Estimated8.07+0.43 pts
33Kittitas County Estimated7.86-0.78 pts
34Garfield County Estimated7.15-3.04 pts
35Pacific County Estimated6.9+1.47 pts
36Clallam County Estimated6.77-0.18 pts
37Wahkiakum County Estimated6.68-0.08 pts
38San Juan County Estimated4.8-0.42 pts
39Jefferson County Estimated4.02+0.1 pts

Other periods

About this ranking

Estimated live births from July 1 of the previous year through June 30 of the reported year per 1,000 residents, using the average of the population estimates at the two July 1 endpoints.

Published Census population estimates rate. The year identifies the end of the July-to-June period. These estimates can be revised and differ from calendar-year birth rates.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program: birth rate, July 1 of the previous year to June 30 of the reported year, nation, states and counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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Questions

Which county has the highest birth rate (July to June)?

Adams County, with 18.09 per 1,000 inhabitants in 2024, according to the U.S. Census Bureau.

Which county has the lowest birth rate (July to June)?

Jefferson County, with 4.02 per 1,000 inhabitants in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program: birth rate, July 1 of the previous year to June 30 of the reported year, nation, states and counties. Retrieved 2026-10-08.

Crude birth rate, July to June: other rankings

Counties in Washington: more rankings