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

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

Capitol Planning Region had the highest births (July to June) of 9 counties in 2025, at 9,196. Northeastern Connecticut Planning Region had the lowest, at 850. The median was 3,427 and the figure for Connecticut was 34,700. Source: the U.S. Census Bureau.

Highest9,196Capitol Planning Region
Lowest850Northeastern Connecticut Planning Region
Median3,4279 counties
Connecticut34,700History

All counties, 2025

CSVChart (SVG)

Capitol Planning RegionCapitol Planning Region: 9,196 count9,196Western Connecticut Planning Regi…Western Connecticut Planning Region: 6,452 count6,452South Central Connecticut Plannin…South Central Connecticut Planning Region: 5,538 count5,538Naugatuck Valley Planning RegionNaugatuck Valley Planning Region: 4,315 count4,315Greater Bridgeport Planning RegionGreater Bridgeport Planning Region: 3,427 count3,427Southeastern Connecticut Planning…Southeastern Connecticut Planning Region: 2,577 count2,577Lower Connecticut River Valley Pl…Lower Connecticut River Valley Planning Region: 1,431 count1,431Northwest Hills Planning RegionNorthwest Hills Planning Region: 914 count914Northeastern Connecticut Planning…Northeastern Connecticut Planning Region: 850 count850
count. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2025
count		Change on 2024
1Capitol Planning Region Estimated9,196+1%
2Western Connecticut Planning Region Estimated6,452-0.8%
3South Central Connecticut Planning Region Estimated5,538+0.6%
4Naugatuck Valley Planning Region Estimated4,315+0.7%
5Greater Bridgeport Planning Region Estimated3,427-0.9%
6Southeastern Connecticut Planning Region Estimated2,577+0.3%
7Lower Connecticut River Valley Planning Region Estimated1,431+2.1%
8Northwest Hills Planning Region Estimated914+1.6%
9Northeastern Connecticut Planning Region Estimated850-0.7%

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 Connecticut 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)?

Capitol Planning Region, with 9,196 in 2025, according to the U.S. Census Bureau.

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

Northeastern Connecticut Planning Region, with 850 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 Connecticut: more rankings