Counties in Washington by birth rate (July to June)

Adams County had the highest birth rate (July to June) of 39 counties in 2023, at 17.05 per 1,000 inhabitants. Jefferson County had the lowest, at 3.92 per 1,000 inhabitants. The median was 9.85 per 1,000 inhabitants and the figure for Washington was 10.52 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Highest17.05Adams County
Median9.8539 counties
Washington10.52History

All counties, 2023

CSVChart (SVG)

Adams CountyAdams County: 17.05 per 1,000 inhabitants17.05Franklin CountyFranklin County: 14.4 per 1,000 inhabitants14.4Grant CountyGrant County: 14.19 per 1,000 inhabitants14.19Yakima CountyYakima County: 12.95 per 1,000 inhabitants12.95Pierce CountyPierce County: 11.7 per 1,000 inhabitants11.7Snohomish CountySnohomish County: 11.64 per 1,000 inhabitants11.64Lewis CountyLewis County: 11.51 per 1,000 inhabitants11.51Benton CountyBenton County: 11.33 per 1,000 inhabitants11.33Skagit CountySkagit County: 10.9 per 1,000 inhabitants10.9Okanogan CountyOkanogan County: 10.8 per 1,000 inhabitants10.8Spokane CountySpokane County: 10.64 per 1,000 inhabitants10.64Cowlitz CountyCowlitz County: 10.62 per 1,000 inhabitants10.62Douglas CountyDouglas County: 10.52 per 1,000 inhabitants10.52Clark CountyClark County: 10.37 per 1,000 inhabitants10.37Garfield CountyGarfield County: 10.19 per 1,000 inhabitants10.19Kitsap CountyKitsap County: 10.02 per 1,000 inhabitants10.02Lincoln CountyLincoln County: 9.94 per 1,000 inhabitants9.94King CountyKing County: 9.89 per 1,000 inhabitants9.89Chelan CountyChelan County: 9.88 per 1,000 inhabitants9.88Thurston CountyThurston County: 9.85 per 1,000 inhabitants9.85Stevens CountyStevens County: 9.84 per 1,000 inhabitants9.84Mason CountyMason County: 9.55 per 1,000 inhabitants9.55Asotin CountyAsotin County: 9.25 per 1,000 inhabitants9.25Walla Walla CountyWalla Walla County: 9.1 per 1,000 inhabitants9.1Ferry CountyFerry County: 8.97 per 1,000 inhabitants8.97Whitman CountyWhitman County: 8.84 per 1,000 inhabitants8.84Columbia CountyColumbia County: 8.66 per 1,000 inhabitants8.66Kittitas CountyKittitas County: 8.64 per 1,000 inhabitants8.64Grays Harbor CountyGrays Harbor County: 8.61 per 1,000 inhabitants8.61Island CountyIsland County: 8.49 per 1,000 inhabitants8.49Klickitat CountyKlickitat County: 8.41 per 1,000 inhabitants8.41Whatcom CountyWhatcom County: 8.4 per 1,000 inhabitants8.4Skamania CountySkamania County: 7.73 per 1,000 inhabitants7.73Pend Oreille CountyPend Oreille County: 7.65 per 1,000 inhabitants7.65Clallam CountyClallam County: 6.95 per 1,000 inhabitants6.95Wahkiakum CountyWahkiakum County: 6.77 per 1,000 inhabitants6.77Pacific CountyPacific County: 5.43 per 1,000 inhabitants5.43San Juan CountySan Juan County: 5.21 per 1,000 inhabitants5.21Jefferson CountyJefferson County: 3.92 per 1,000 inhabitants3.92
per 1,000 inhabitants. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2023
per 1,000 inhabitants
Change on 2022
1Adams County Estimated17.05+1.48 pts
2Franklin County Estimated14.4-0.7 pts
3Grant County Estimated14.19+0.87 pts
4Yakima County Estimated12.95-0.5 pts
5Pierce County Estimated11.7-0.19 pts
6Snohomish County Estimated11.64-0.23 pts
7Lewis County Estimated11.51+0.84 pts
8Benton County Estimated11.33-0.6 pts
9Skagit County Estimated10.9+0.31 pts
10Okanogan County Estimated10.8+0.86 pts
11Spokane County Estimated10.640 pts
12Cowlitz County Estimated10.62-0.64 pts
13Douglas County Estimated10.52-1.21 pts
14Clark County Estimated10.37-0.68 pts
15Garfield County Estimated10.19-0.02 pts
16Kitsap County Estimated10.02-0.39 pts
17Lincoln County Estimated9.94+1.38 pts
18King County Estimated9.89-0.47 pts
19Chelan County Estimated9.88+0.16 pts
20Thurston County Estimated9.85-0.17 pts
21Stevens County Estimated9.84+0.06 pts
22Mason County Estimated9.55-0.3 pts
23Asotin County Estimated9.25+0.09 pts
24Walla Walla County Estimated9.1+0.44 pts
25Ferry County Estimated8.97-0.12 pts
26Whitman County Estimated8.84+0.48 pts
27Columbia County Estimated8.66+1.69 pts
28Kittitas County Estimated8.64-0.02 pts
29Grays Harbor County Estimated8.61-0.39 pts
30Island County Estimated8.49-0.38 pts
31Klickitat County Estimated8.41+0.09 pts
32Whatcom County Estimated8.4-0.34 pts
33Skamania County Estimated7.73+0.35 pts
34Pend Oreille County Estimated7.65-1.55 pts
35Clallam County Estimated6.95-0.08 pts
36Wahkiakum County Estimated6.77-0.56 pts
37Pacific County Estimated5.43-1.22 pts
38San Juan County Estimated5.21+0.06 pts
39Jefferson County Estimated3.92-1.44 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 17.05 per 1,000 inhabitants in 2023, according to the U.S. Census Bureau.

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

Jefferson County, with 3.92 per 1,000 inhabitants in 2023.

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