Health by ZIP

New Castle County, DE health estimates

Delaware. 578,592 residents, 456,332 adults (the Census population estimates that PLACES uses). 26 ZIP Codes and 26 places with estimates.

Compare with another placeZIP Codes of the county (CSV)

New Castle County in Delaware. Boundaries: US Census Bureau.

The figures are model-based estimates for the adults of an area. They are not measurements. They say nothing about one person.

We do not produce estimates for individuals; only aggregated results for counties, places, census tracts, or ZCTAs.

First, it is not adequate to simply compare point estimates. The confidence intervals should also be considered, and some are very broad.

Centers for Disease Control and Prevention, PLACES Frequently Asked Questions (page dated 11 Dec 2025, read on 2 Oct 2026)

PLACES 2025 release. Survey years (BRFSS): 2022 and 2023. CDC updated the data on . What an estimate is. How to read an interval. The site gives no medical advice.

CDC estimates that 33.4% of the adults of New Castle County, DE have obesity.

The 95% confidence interval is 27.7% to 39.0%.

PLACES 2025, BRFSS 2023.

Report card: 40 measures by CDC category

Crude prevalence is the estimated share of all adults. Age-adjusted prevalence uses the 2000 US standard population, so that areas with different ages can be compared. CDC: Age-adjusted estimates are only available at the county and place-level.

"Higher" or "lower": the two 95% confidence intervals do not overlap. "Similar": they overlap. Against the state figure, which has no interval, the words are "above", "below" and "in line".

Health outcomes: New Castle County, DE
MeasureEstimate and interval on a scale of 0 to 50%Estimate95% intervalDE figure (site aggregate)United States
All teeth lost among adults aged ≥65 yearsBRFSS 202212.7%10.6 to 15.512.7%in line12.2%similar13.1%10.8 to 15.813.5%in line12.6%similar
Arthritis among adultsBRFSS 202325.5%22.7 to 28.128.4%below25.4%similar22.4%19.9 to 24.923.3%in line21.9%similar
Cancer (non-skin) or melanoma among adultsBRFSS 20238.1%7.3 to 8.99.1%below7.9%similar6.9%6.2 to 7.67.0%in line6.6%similar
Chronic obstructive pulmonary disease among adultsBRFSS 20236.0%5.1 to 7.17.1%in line6.2%similar5.3%4.5 to 6.25.8%in line5.3%similar
Coronary heart disease among adultsBRFSS 20235.9%5.2 to 6.76.9%below6.4%similar5.0%4.4 to 5.75.2%in line5.3%similar
Current asthma among adultsBRFSS 202310.4%9.2 to 11.610.8%in line9.8%similar10.4%9.2 to 11.610.9%in line9.8%similar
Depression among adultsBRFSS 202321.0%18.0 to 24.021.1%in line20.2%similar21.5%18.4 to 24.622.1%in line20.7%similar
Diagnosed diabetes among adultsBRFSS 202312.2%10.7 to 13.813.1%in line12.0%similar10.7%9.3 to 12.010.8%in line10.3%similar
High blood pressure among adultsBRFSS 202335.2%31.7 to 38.638.1%in line34.4%similar32.1%28.8 to 35.333.0%in line30.7%similar
High cholesterol among adults who have ever been screenedBRFSS 202338.4%34.6 to 41.941.2%in line37.4%similar34.0%30.3 to 37.535.0%in line32.2%similar
Obesity among adultsBRFSS 202333.4%27.7 to 39.035.3%in line32.8%similar33.4%27.7 to 38.935.5%in line32.9%similar
Stroke among adultsBRFSS 20233.4%3.0 to 3.83.7%in line3.4%similar2.9%2.6 to 3.33.0%in line2.9%similar
Prevention: New Castle County, DE
MeasureEstimate and interval on a scale of 0 to 100%Estimate95% intervalDE figure (site aggregate)United States
Cholesterol screening among adultsBRFSS 202387.4%85.4 to 89.187.9%in line87.5%similar86.2%83.9 to 88.085.8%in line85.6%similar
Colorectal cancer screening among adults aged 45–75 yearsBRFSS 202266.0%61.8 to 70.367.2%in line66.3%similar60.9%56.6 to 65.459.9%in line54.1%higherinterval 53.7 to 54.6
Current lack of health insurance among adults aged 18-64 yearsBRFSS 20238.6%7.0 to 10.59.0%in line11.0%lowerinterval 10.7 to 11.38.9%7.2 to 10.99.5%in line11.5%lowerinterval 11.2 to 11.9
Mammography use among women aged 50-74 yearsBRFSS 202278.9%73.6 to 84.178.5%in line76.5%similar78.1%72.8 to 83.477.8%in line76.0%similar
Taking medicine to control high blood pressure among adults with high blood pressureBRFSS 202375.6%72.5 to 78.178.1%in line77.0%similar57.3%53.0 to 61.158.6%in line57.5%similar
Visited dentist or dental clinic in the past year among adultsBRFSS 202262.9%59.4 to 66.663.1%in line63.9%similar62.3%58.9 to 66.061.8%in line63.4%similar
Visits to doctor for routine checkup within the past year among adultsBRFSS 202379.2%75.7 to 82.280.9%in line77.7%similar77.6%74.0 to 80.878.4%in line75.7%similar
Health risk behaviors: New Castle County, DE
MeasureEstimate and interval on a scale of 0 to 50%Estimate95% intervalDE figure (site aggregate)United States
Binge drinking among adultsBRFSS 202315.2%12.7 to 17.514.2%in line15.2%similar16.3%13.7 to 18.816.1%in line16.6%similar
Current cigarette smoking among adultsBRFSS 202311.6%9.5 to 13.812.6%in line11.4%similar11.8%9.7 to 14.112.9%in line11.6%similar
No leisure-time physical activity among adultsBRFSS 202325.5%21.8 to 29.527.2%in line24.5%similar24.8%21.1 to 28.826.0%in line23.7%similar
Short sleep duration among adultsBRFSS 202235.9%31.3 to 41.235.7%in line36.0%similar36.5%32.0 to 41.937.0%in line36.8%similar
Disability: New Castle County, DE
MeasureEstimate and interval on a scale of 0 to 40%Estimate95% intervalDE figure (site aggregate)United States
Any disability among adultsBRFSS 202328.7%25.2 to 32.330.6%in line30.0%similar27.5%24.0 to 31.028.6%in line28.3%similar
Cognitive disability among adultsBRFSS 202313.0%11.3 to 14.913.0%in line13.7%similar13.4%11.6 to 15.413.8%in line14.1%similar
Hearing disability among adultsBRFSS 20235.7%5.0 to 6.46.7%below6.7%lowerinterval 6.6 to 6.95.0%4.4 to 5.75.4%in line5.8%similar
Independent living disability among adultsBRFSS 20237.4%6.5 to 8.57.8%in line7.9%similar7.3%6.4 to 8.47.7%in line7.6%similar
Mobility disability among adultsBRFSS 202313.4%11.5 to 15.414.8%in line13.5%similar11.8%10.3 to 13.512.2%in line11.7%similar
Self-care disability among adultsBRFSS 20233.4%3.0 to 3.93.7%in line3.8%similar3.2%2.8 to 3.63.3%in line3.4%similar
Vision disability among adultsBRFSS 20234.6%4.0 to 5.24.9%in line5.5%lowerinterval 5.4 to 5.74.4%3.9 to 4.94.6%in line5.2%lowerinterval 5.1 to 5.4
Health status: New Castle County, DE
MeasureEstimate and interval on a scale of 0 to 30%Estimate95% intervalDE figure (site aggregate)United States
Fair or poor self-rated health status among adultsBRFSS 202317.5%15.2 to 20.118.8%in line19.2%similar16.8%14.7 to 19.317.6%in line18.3%similar
Frequent mental distress among adultsBRFSS 202315.5%13.7 to 17.515.4%in line15.6%similar16.3%14.4 to 18.316.8%in line16.3%similar
Frequent physical distress among adultsBRFSS 202312.3%10.8 to 13.813.3%in line12.8%similar11.6%10.2 to 13.012.3%in line12.1%similar

ZIP Codes in New Castle County

ZIP Codes in New Castle County, DE, in ZIP Code order
ZIP CodeResidentsEstimate95% confidence intervalAgainst New Castle County
ZIP Code 1970142,71733.3%27.8 to 38.8similar
ZIP Code 1970255,65333.2%27.7 to 38.7similar
ZIP Code 1970316,17533.1%27.5 to 38.5similar
ZIP Code 197061,93833.4%27.9 to 39.2similar
ZIP Code 1970717,27425.6%20.8 to 30.5similar
ZIP Code 1970949,59931.7%26.3 to 37.2similar
ZIP Code 1971010827.6%22.6 to 33.2similar
ZIP Code 1971148,47729.7%24.5 to 35.0similar
ZIP Code 1971331,86734.0%28.3 to 39.5similar
ZIP Code 197176,20128.2%23.1 to 33.7similar
ZIP Code 1972061,04337.3%31.4 to 43.1similar
ZIP Code 1973047229.2%23.8 to 34.8similar
ZIP Code 1973132929.7%24.4 to 35.2similar
ZIP Code 1973222325.8%20.9 to 31.0similar
ZIP Code 1973332034.1%28.2 to 40.1similar
ZIP Code 1973414,11632.2%26.7 to 37.9similar
ZIP Code 1980116,21944.5%38.1 to 50.6similar
ZIP Code 1980226,18942.9%36.6 to 48.7similar
ZIP Code 1980321,88628.2%23.2 to 33.5similar
ZIP Code 1980418,29235.1%29.5 to 40.8similar
ZIP Code 1980539,98539.0%33.1 to 44.8similar
ZIP Code 1980610,08329.8%24.5 to 35.3similar
ZIP Code 198078,08926.9%22.1 to 32.1similar
ZIP Code 1980839,28530.2%25.0 to 35.6similar
ZIP Code 1980914,65832.9%27.3 to 38.4similar
ZIP Code 1981025,27029.0%23.9 to 34.2similar

The dashed line in each drawing is New Castle County. The words are "higher" or "lower" when the two 95% confidence intervals do not overlap, and "similar" when they overlap. The table is in name order. The intervals of many rows overlap, so the table gives no rank.

A ZIP Code is in the county that holds the largest share of its land. A ZIP Code that is in two counties shows one time. Download the ZIP Codes of New Castle County as a CSV file, with all measures.

Cities and places in New Castle County

Places in New Castle County, DE, in name order
PlaceResidentsEstimate95% confidence intervalAgainst New Castle County
Arden43029.0%23.7 to 34.6similar
Ardencroft22629.0%23.6 to 34.6similar
Ardentown25528.3%23.1 to 33.9similar
Bear23,06036.0%30.3 to 41.6similar
Bellefonte1,22532.9%27.0 to 38.8similar
Brookside14,97435.4%29.5 to 41.1similar
Claymont9,89533.8%28.1 to 39.2similar
Delaware City1,88533.6%28.0 to 39.4similar
Edgemoor6,63535.8%30.0 to 41.4similar
Elsmere6,22937.1%31.2 to 43.1similar
Glasgow15,28832.7%27.2 to 38.2similar
Greenville3,10426.2%21.3 to 31.2similar
Hockessin13,47825.6%20.8 to 30.6similar
Middletown23,19233.3%27.7 to 38.8similar
New Castle5,55133.2%27.7 to 39.1similar
Newark30,60129.6%24.4 to 34.7similar
Newport91037.3%31.4 to 43.2similar
North Star8,05626.1%21.3 to 31.2similar
Odessa36629.2%23.9 to 34.7similar
Pike Creek7,80827.8%22.7 to 32.9similar
Pike Creek Valley11,69229.9%24.7 to 35.4similar
Port Penn16230.1%24.7 to 35.7similar
St. Georges1,95733.5%27.8 to 39.2similar
Townsend2,71733.6%27.9 to 39.4similar
Wilmington70,89841.0%34.8 to 46.9similar
Wilmington Manor8,16235.4%29.5 to 41.3similar

The dashed line in each drawing is New Castle County. The words are "higher" or "lower" when the two 95% confidence intervals do not overlap, and "similar" when they overlap. The table is in name order. The intervals of many rows overlap, so the table gives no rank.

Estimates in earlier PLACES releases

The current modeling procedure does not support using the estimates to track changes at the local level over time.

Centers for Disease Control and Prevention, PLACES Frequently Asked Questions (page dated 11 Dec 2025, read on 2 Oct 2026)

The table lists what each PLACES release published for New Castle County, DE, for 12 of the 40 measures.

New Castle County, DE: crude prevalence and 95% confidence interval in each PLACES release
Measure2022 release2023 release2024 release2025 release
COPD6.0%5.2 to 6.95.8%4.7 to 6.96.6%5.9 to 7.46.0%5.1 to 7.1
Coronary Heart Disease6.2%5.7 to 6.75.6%4.9 to 6.46.2%5.6 to 7.05.9%5.2 to 6.7
Current Asthma10.2%9.8 to 10.79.8%8.6 to 11.010.8%9.7 to 12.210.4%9.2 to 11.6
Depression17.2%16.4 to 18.017.3%14.4 to 20.220.3%17.7 to 23.521.0%18.0 to 24.0
Diabetes11.4%10.8 to 12.111.4%9.9 to 13.013.1%11.7 to 14.912.2%10.7 to 13.8
High Blood Pressure33.6%32.6 to 34.634.2%30.5 to 37.834.3%30.9 to 37.835.2%31.7 to 38.6
Obesity33.7%32.4 to 34.934.7%29.2 to 40.437.7%32.4 to 43.833.4%27.7 to 39.0
Health Insurance13.5%11.7 to 15.58.8%6.9 to 10.96.9%6.0 to 7.98.6%7.0 to 10.5
Binge Drinking16.1%15.6 to 16.614.7%12.4 to 17.115.6%13.4 to 18.415.2%12.7 to 17.5
Current Cigarette Smoking14.5%12.5 to 16.513.6%10.9 to 16.414.0%12.4 to 16.011.6%9.5 to 13.8
Physical Inactivity23.4%21.4 to 25.625.1%21.1 to 29.223.1%20.2 to 26.725.5%21.8 to 29.5
General Health13.5%12.1 to 15.114.2%12.0 to 16.516.8%15.2 to 18.917.5%15.2 to 20.1

Official sources

The links open the pages of the agencies in a new tab.

Cite this page

Health by ZIP. New Castle County, DE: CDC PLACES estimates, 2025 release. Source: Centers for Disease Control and Prevention, PLACES: Local Data for Better Health. CDC updated the data on 4 Dec 2025. https://healthbyzip.com/county/de/new-castle-county/

The address of this page stays the same. CDC's own citation is at the foot of the page.

Where the figures come from

Source: Centers for Disease Control and Prevention, PLACES: Local Data for Better Health, 2025 release. CDC updated the data on . The page shows the 2022, 2023, 2024 releases as a record. The data are a US government work in the public domain. Data set on data.cdc.gov. The boundaries and the links between ZIP Codes, counties and places come from the US Census Bureau. Percentages have one decimal, as CDC publishes them. A state figure is a site aggregate: the site computes it. The site corrects an error of its own processing at the next build. See corrections.

Questions about New Castle County, DE

How does the obesity estimate of New Castle County, DE compare with Delaware?

The Delaware figure is 35.3% (site aggregate).

It has no confidence interval.

The Delaware figure is inside the interval of New Castle County, DE. The estimate is in line with it.

How does the obesity estimate of New Castle County, DE compare with the nation?

The US estimate is 32.8%.

The 95% confidence interval is 32.4% to 33.1%.

The two intervals overlap. The estimate for New Castle County, DE is similar.

What does CDC estimate for diagnosed diabetes in New Castle County, DE?

CDC estimates that 12.2% of the adults of New Castle County, DE have diagnosed diabetes.

The 95% confidence interval is 10.7% to 13.8%.

PLACES 2025, BRFSS 2023.

For how many measures is New Castle County, DE above or below the Delaware figure?

New Castle County, DE and the Delaware figure both have a value for 40 measures.

The estimate for New Castle County, DE is above the Delaware figure for 0 measures.

It is below the Delaware figure for 4 measures.

It is in line with the Delaware figure for 36 measures.