Data / Rankings / Crude birth rate, July to June / Counties in Massachusetts

Counties in Massachusetts by birth rate (July to June)

Suffolk County had the highest birth rate (July to June) of 14 counties in 2021, at 10.29 per 1,000 inhabitants. Hampshire County had the lowest, at 5.67 per 1,000 inhabitants. The median was 9.56 per 1,000 inhabitants and the figure for Massachusetts was 9.5 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Highest10.29Suffolk County
Lowest5.67Hampshire County
Median9.5614 counties
Massachusetts9.5History

All counties, 2021

CSVChart (SVG)

Suffolk CountySuffolk County: 10.29 per 1,000 inhabitants10.29Nantucket CountyNantucket County: 10.22 per 1,000 inhabitants10.22Essex CountyEssex County: 10.18 per 1,000 inhabitants10.18Hampden CountyHampden County: 10.16 per 1,000 inhabitants10.16Plymouth CountyPlymouth County: 9.72 per 1,000 inhabitants9.72Middlesex CountyMiddlesex County: 9.63 per 1,000 inhabitants9.63Worcester CountyWorcester County: 9.62 per 1,000 inhabitants9.62Norfolk CountyNorfolk County: 9.5 per 1,000 inhabitants9.5Bristol CountyBristol County: 9.42 per 1,000 inhabitants9.42Dukes CountyDukes County: 8.3 per 1,000 inhabitants8.3Berkshire CountyBerkshire County: 7.51 per 1,000 inhabitants7.51Franklin CountyFranklin County: 6.99 per 1,000 inhabitants6.99Barnstable CountyBarnstable County: 6.15 per 1,000 inhabitants6.15Hampshire CountyHampshire County: 5.67 per 1,000 inhabitants5.67
per 1,000 inhabitants. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2021
per 1,000 inhabitants
1Suffolk County Estimated10.29
2Nantucket County Estimated10.22
3Essex County Estimated10.18
4Hampden County Estimated10.16
5Plymouth County Estimated9.72
6Middlesex County Estimated9.63
7Worcester County Estimated9.62
8Norfolk County Estimated9.5
9Bristol County Estimated9.42
10Dukes County Estimated8.3
11Berkshire County Estimated7.51
12Franklin County Estimated6.99
13Barnstable County Estimated6.15
14Hampshire County Estimated5.67

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

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

Suffolk County, with 10.29 per 1,000 inhabitants in 2021, according to the U.S. Census Bureau.

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

Hampshire County, with 5.67 per 1,000 inhabitants in 2021.

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 Massachusetts: more rankings