Data / Rankings / Diagnosed diabetes in adults, local model estimate / Counties in New Jersey

Counties in New Jersey by diagnosed diabetes in adults, local model estimate

Cumberland County had the highest diagnosed diabetes in adults, local model estimate of 21 counties in 2021, at 13.4%. Morris County had the lowest, at 8.9%. The median was 10.8%. Source: the Centers for Disease Control and Prevention.

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Highest13.4Cumberland County
Lowest8.9Morris County
Median10.821 counties

Map of counties, 2021

Atlantic County: 12.4 %Bergen County: 9.3 %Burlington County: 9.7 %Camden County: 11.3 %Cape May County: 12 %Cumberland County: 13.4 %Essex County: 12.3 %Gloucester County: 9.8 %Hudson County: 10.9 %Hunterdon County: 8.9 %Mercer County: 10.5 %Middlesex County: 10.8 %Monmouth County: 9.5 %Morris County: 8.9 %Ocean County: 10.8 %Passaic County: 11.5 %Salem County: 12 %Somerset County: 9.3 %Sussex County: 9.2 %Union County: 11.3 %Warren County: 10.5 %
  • Under 9.3
  • 9.3 to 11
  • 11 to 12
  • 12 and over
%, 2021. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

Cumberland County: 13.4 %Cumberland County13.4Atlantic County: 12.4 %Atlantic County12.4Essex County: 12.3 %Essex County12.3Cape May County: 12 %Cape May County12Salem County: 12 %Salem County12Passaic County: 11.5 %Passaic County11.5Camden County: 11.3 %Camden County11.3Union County: 11.3 %Union County11.3Hudson County: 10.9 %Hudson County10.9Middlesex County: 10.8 %Middlesex County10.8Ocean County: 10.8 %Ocean County10.8Mercer County: 10.5 %Mercer County10.5Warren County: 10.5 %Warren County10.5Gloucester County: 9.8 %Gloucester County9.8Burlington County: 9.7 %Burlington County9.7Monmouth County: 9.5 %Monmouth County9.5Bergen County: 9.3 %Bergen County9.3Somerset County: 9.3 %Somerset County9.3Sussex County: 9.2 %Sussex County9.2Hunterdon County: 8.9 %Hunterdon County8.9Morris County: 8.9 %Morris County8.9Cumberland County: 13.4 %Cumberland County13.4Atlantic County: 12.4 %Atlantic County12.4Essex County: 12.3 %Essex County12.3Cape May County: 12 %Cape May County12Salem County: 12 %Salem County12Passaic County: 11.5 %Passaic County11.5Camden County: 11.3 %Camden County11.3Union County: 11.3 %Union County11.3Hudson County: 10.9 %Hudson County10.9Middlesex County: 10.8 %Middlesex County10.8Ocean County: 10.8 %Ocean County10.8Mercer County: 10.5 %Mercer County10.5Warren County: 10.5 %Warren County10.5Gloucester County: 9.8 %Gloucester County9.8Burlington County: 9.7 %Burlington County9.7Monmouth County: 9.5 %Monmouth County9.5Bergen County: 9.3 %Bergen County9.3Somerset County: 9.3 %Somerset County9.3Sussex County: 9.2 %Sussex County9.2Hunterdon County: 8.9 %Hunterdon County8.9Morris County: 8.9 %Morris County8.9
%. Source: CDC, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1Cumberland County13.4
2Atlantic County12.4
3Essex County12.3
4Cape May County12
4Salem County12
6Passaic County11.5
7Camden County11.3
7Union County11.3
9Hudson County10.9
10Middlesex County10.8
10Ocean County10.8
12Mercer County10.5
12Warren County10.5
14Gloucester County9.8
15Burlington County9.7
16Monmouth County9.5
17Bergen County9.3
17Somerset County9.3
19Sussex County9.2
20Hunterdon County8.9
20Morris County8.9

Other periods

About this ranking

Percentage of adults who report being told by a doctor or other health professional that they have diabetes, other than diabetes only during pregnancy. Model-based estimate for adults aged 18 and over from CDC PLACES. Crude prevalence, not age-adjusted.

US counties and cities (incorporated places of 10,000 or more). CDC PLACES combines Behavioral Risk Factor Surveillance System (BRFSS) answers with local population data through multilevel regression and poststratification, so a county or city value is a model estimate, not a survey count. The year is the BRFSS survey year, not the release year. CDC says the method does not support tracking change in a place over time, and each annual release can change the model, so values for different years are not strictly comparable. A state is missing in a year when its BRFSS data did not meet standards (Kentucky and Pennsylvania in 2023, Florida in 2021). Connecticut counties appear as its nine planning regions from 2022; its eight former counties are not served. City values for 2021 come from the 2023 release, built on 2010 Census place boundaries; later years use 2020 boundaries.

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

Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

Centers for Disease Control and Prevention. (2025). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence (Counties in New Jersey by diagnosed diabetes in adults, local model estimate, 2021) [Data set]. Retrieved October 12, 2026, from https://www.cdc.gov/places/

MLA 9

PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence, Counties in New Jersey by diagnosed diabetes in adults, local model estimate, 2021. Centers for Disease Control and Prevention, 4 Dec. 2025, https://www.cdc.gov/places/. Invokely, https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/new-jersey-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

Centers for Disease Control and Prevention. 2025. PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. Counties in New Jersey by diagnosed diabetes in adults, local model estimate, 2021. Dataset. Accessed October 12, 2026. https://www.cdc.gov/places/. Also distributed by Invokely, https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/new-jersey-counties?period=2021.

Harvard

Centers for Disease Control and Prevention (2025) PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence, Counties in New Jersey by diagnosed diabetes in adults, local model estimate, 2021 [Dataset]. Available at: https://www.cdc.gov/places/, via Invokely: https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/new-jersey-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{centers_counties_in_new_jersey_2021,
  author = {{Centers for Disease Control and Prevention}},
  title = {{PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence: Counties in New Jersey by diagnosed diabetes in adults, local model estimate, 2021}},
  year = {2025},
  howpublished = {Data set},
  url = {https://www.cdc.gov/places/},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/new-jersey-counties?period=2021. Publisher attribution: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.},
}
RIS
TY  - DATA
AU  - Centers for Disease Control and Prevention
TI  - PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence: Counties in New Jersey by diagnosed diabetes in adults, local model estimate, 2021
PY  - 2025
DA  - 2025/12/04
PB  - Centers for Disease Control and Prevention
DB  - Invokely
UR  - https://www.cdc.gov/places/
L2  - https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/new-jersey-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/adult-diabetes-rate-county-estimate/new-jersey-counties?period=2021.
N1  - Publisher attribution: Centers for Disease Control and Prevention (CDC). PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. https://www.cdc.gov/places/. Retrieved 2026-10-12. These data are available free from CDC. Use does not imply endorsement by CDC, ATSDR, HHS or the United States Government.
ER  -
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Rank Counties in New Jersey by diagnosed diabetes in adults, local model estimate using official data, and cite the source.
rank_places {"indicator":"adult_diabetes_rate_modelled","level":"province","within":"New Jersey","limit":10}
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Questions

Which county has the highest diagnosed diabetes in adults, local model estimate?

Cumberland County, with 13.4% in 2021, according to the Centers for Disease Control and Prevention.

Which county has the lowest diagnosed diabetes in adults, local model estimate?

Morris County, with 8.9% in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: Centers for Disease Control and Prevention, PLACES: Local Data for Better Health, County Data (swc5-untb, fu4u-a9bh, h3ej-a9ec and later releases), diagnosed diabetes in adults, crude prevalence. Retrieved 2026-10-12.

Diagnosed diabetes in adults, local model estimate: other rankings

Counties in New Jersey: more rankings