Data / Rankings / Live births, July to June / Counties in Massachusetts

Counties in Massachusetts by births (July to June), 2025

Middlesex County had the highest births (July to June) of 14 counties in 2025, at 15,687. Dukes County had the lowest, at 155. The median was 5,063 and the figure for Massachusetts was 68,055. Source: the U.S. Census Bureau.

Highest15,687Middlesex County
Lowest155Dukes County
Median5,06314 counties
Massachusetts68,055History

All counties, 2025

CSVChart (SVG)

Middlesex CountyMiddlesex County: 15,687 count15,687Worcester CountyWorcester County: 8,825 count8,825Essex CountyEssex County: 8,632 count8,632Suffolk CountySuffolk County: 8,316 count8,316Norfolk CountyNorfolk County: 6,918 count6,918Bristol CountyBristol County: 5,461 count5,461Plymouth CountyPlymouth County: 5,377 count5,377Hampden CountyHampden County: 4,749 count4,749Barnstable CountyBarnstable County: 1,525 count1,525Berkshire CountyBerkshire County: 892 count892Hampshire CountyHampshire County: 878 count878Franklin CountyFranklin County: 476 count476Nantucket CountyNantucket County: 164 count164Dukes CountyDukes County: 155 count155
count. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2025
count		Change on 2024
1Middlesex County Estimated15,687+0.2%
2Worcester County Estimated8,825+0.6%
3Essex County Estimated8,632+0.4%
4Suffolk County Estimated8,316+0.3%
5Norfolk County Estimated6,918+0.3%
6Bristol County Estimated5,461-0.8%
7Plymouth County Estimated5,377+0.1%
8Hampden County Estimated4,749+1.1%
9Barnstable County Estimated1,525+0.4%
10Berkshire County Estimated892+1%
11Hampshire County Estimated878+0.8%
12Franklin County Estimated476-0.8%
13Nantucket County Estimated1640%
14Dukes County Estimated155-0.6%

Other periods

About this ranking

Estimated live births to resident mothers from July 1 of the previous year through June 30 of the reported year.

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

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: births, 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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Rank Counties in Massachusetts by births (July to June) using official data, and cite the source.
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Questions

Which county has the highest births (July to June)?

Middlesex County, with 15,687 in 2025, according to the U.S. Census Bureau.

Which county has the lowest births (July to June)?

Dukes County, with 155 in 2025.

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: births, July 1 of the previous year to June 30 of the reported year, nation, states and counties. Retrieved 2026-10-08.

Live births, July to June: other rankings

Counties in Massachusetts: more rankings