Counties in New Jersey by birth rate (July to June)

Ocean County had the highest birth rate (July to June) of 21 counties in 2021, at 15 per 1,000 inhabitants. Hunterdon County had the lowest, at 7.41 per 1,000 inhabitants. The median was 9.66 per 1,000 inhabitants and the figure for New Jersey was 10.57 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Highest15Ocean County
Median9.6621 counties
New Jersey10.57History

All counties, 2021

CSVChart (SVG)

Ocean CountyOcean County: 15 per 1,000 inhabitants15Hudson CountyHudson County: 12.72 per 1,000 inhabitants12.72Passaic CountyPassaic County: 11.75 per 1,000 inhabitants11.75Cumberland CountyCumberland County: 11.75 per 1,000 inhabitants11.75Camden CountyCamden County: 11.57 per 1,000 inhabitants11.57Union CountyUnion County: 11.15 per 1,000 inhabitants11.15Essex CountyEssex County: 10.96 per 1,000 inhabitants10.96Salem CountySalem County: 10.67 per 1,000 inhabitants10.67Mercer CountyMercer County: 10.16 per 1,000 inhabitants10.16Atlantic CountyAtlantic County: 9.9 per 1,000 inhabitants9.9Burlington CountyBurlington County: 9.66 per 1,000 inhabitants9.66Middlesex CountyMiddlesex County: 9.62 per 1,000 inhabitants9.62Warren CountyWarren County: 9.39 per 1,000 inhabitants9.39Sussex CountySussex County: 9.33 per 1,000 inhabitants9.33Bergen CountyBergen County: 9.28 per 1,000 inhabitants9.28Monmouth CountyMonmouth County: 9.27 per 1,000 inhabitants9.27Gloucester CountyGloucester County: 9.26 per 1,000 inhabitants9.26Morris CountyMorris County: 9.19 per 1,000 inhabitants9.19Somerset CountySomerset County: 8.67 per 1,000 inhabitants8.67Cape May CountyCape May County: 7.88 per 1,000 inhabitants7.88Hunterdon CountyHunterdon County: 7.41 per 1,000 inhabitants7.41
per 1,000 inhabitants. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2021
per 1,000 inhabitants
1Ocean County Estimated15
2Hudson County Estimated12.72
3Passaic County Estimated11.75
4Cumberland County Estimated11.75
5Camden County Estimated11.57
6Union County Estimated11.15
7Essex County Estimated10.96
8Salem County Estimated10.67
9Mercer County Estimated10.16
10Atlantic County Estimated9.9
11Burlington County Estimated9.66
12Middlesex County Estimated9.62
13Warren County Estimated9.39
14Sussex County Estimated9.33
15Bergen County Estimated9.28
16Monmouth County Estimated9.27
17Gloucester County Estimated9.26
18Morris County Estimated9.19
19Somerset County Estimated8.67
20Cape May County Estimated7.88
21Hunterdon County Estimated7.41

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 Jersey 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)?

Ocean County, with 15 per 1,000 inhabitants in 2021, according to the U.S. Census Bureau.

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

Hunterdon County, with 7.41 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 New Jersey: more rankings