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

Counties in New Hampshire by birth rate (July to June), 2025

Hillsborough County had the highest birth rate (July to June) of 10 counties in 2025, at 9.69 per 1,000 inhabitants. Carroll County had the lowest, at 6.23 per 1,000 inhabitants. The median was 7.82 per 1,000 inhabitants and the figure for New Hampshire was 8.44 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Highest9.69Hillsborough County
Lowest6.23Carroll County
Median7.8210 counties
New Hampshire8.44History

All counties, 2025

CSVChart (SVG)

Hillsborough CountyHillsborough County: 9.69 per 1,000 inhabitants9.69Rockingham CountyRockingham County: 8.88 per 1,000 inhabitants8.88Strafford CountyStrafford County: 8.2 per 1,000 inhabitants8.2Sullivan CountySullivan County: 8.08 per 1,000 inhabitants8.08Cheshire CountyCheshire County: 7.98 per 1,000 inhabitants7.98Merrimack CountyMerrimack County: 7.66 per 1,000 inhabitants7.66Coos CountyCoos County: 6.73 per 1,000 inhabitants6.73Belknap CountyBelknap County: 6.54 per 1,000 inhabitants6.54Grafton CountyGrafton County: 6.45 per 1,000 inhabitants6.45Carroll CountyCarroll County: 6.23 per 1,000 inhabitants6.23
per 1,000 inhabitants. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2025
per 1,000 inhabitants		Change on 2024
1Hillsborough County Estimated9.69+0.06 pts
2Rockingham County Estimated8.88+0.21 pts
3Strafford County Estimated8.2+0.01 pts
4Sullivan County Estimated8.08-0.15 pts
5Cheshire County Estimated7.98-0.15 pts
6Merrimack County Estimated7.66-0.11 pts
7Coos County Estimated6.73+0.21 pts
8Belknap County Estimated6.54-0.05 pts
9Grafton County Estimated6.45-0.05 pts
10Carroll County Estimated6.23-0.08 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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Rank Counties in New Hampshire 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)?

Hillsborough County, with 9.69 per 1,000 inhabitants in 2025, according to the U.S. Census Bureau.

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

Carroll County, with 6.23 per 1,000 inhabitants 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: 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 New Hampshire: more rankings