Health by ZIP

San Juan County, WA health estimates

Washington. 18,566 residents, 16,267 adults (the Census population estimates that PLACES uses). 8 ZIP Codes and 3 places with estimates.

Compare with another placeZIP Codes of the county (CSV)

San Juan County in Washington. 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 24.7% of the adults of San Juan County, WA have obesity.

The 95% confidence interval is 19.6% to 30.2%.

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: San Juan County, WA
MeasureEstimate and interval on a scale of 0 to 50%Estimate95% intervalWA figure (site aggregate)United States
All teeth lost among adults aged ≥65 yearsBRFSS 20229.1%7.5 to 11.09.0%in line12.2%lowerinterval 11.8 to 12.610.5%8.7 to 12.69.2%in line12.6%similar
Arthritis among adultsBRFSS 202333.5%29.8 to 37.024.4%above25.4%higherinterval 25.1 to 25.621.9%19.3 to 24.622.0%in line21.9%similar
Cancer (non-skin) or melanoma among adultsBRFSS 202313.1%11.8 to 14.47.9%above7.9%higherinterval 7.8 to 8.17.6%6.9 to 8.37.0%in line6.6%higherinterval 6.4 to 6.7
Chronic obstructive pulmonary disease among adultsBRFSS 20236.4%4.9 to 8.05.1%in line6.2%similar4.2%3.4 to 5.14.6%in line5.3%lowerinterval 5.2 to 5.4
Coronary heart disease among adultsBRFSS 20238.0%6.8 to 9.25.4%above6.4%higherinterval 6.2 to 6.54.6%3.9 to 5.24.7%in line5.3%similar
Current asthma among adultsBRFSS 202310.4%9.2 to 11.710.7%in line9.8%similar10.8%9.6 to 12.110.7%in line9.8%similar
Depression among adultsBRFSS 202322.5%19.3 to 25.825.1%in line20.2%similar25.5%22.2 to 29.125.5%in line20.7%higherinterval 20.4 to 21.0
Diagnosed diabetes among adultsBRFSS 202310.9%9.1 to 12.89.5%in line12.0%similar7.0%5.9 to 8.28.6%below10.3%lowerinterval 10.1 to 10.5
High blood pressure among adultsBRFSS 202337.0%32.9 to 40.830.5%above34.4%similar25.6%22.4 to 28.828.2%in line30.7%lowerinterval 30.4 to 31.0
High cholesterol among adults who have ever been screenedBRFSS 202339.2%35.3 to 43.234.9%above37.4%similar28.2%25.0 to 31.731.2%in line32.2%lowerinterval 31.9 to 32.6
Obesity among adultsBRFSS 202324.7%19.6 to 30.230.6%below32.8%lowerinterval 32.4 to 33.124.8%19.8 to 30.430.6%below32.9%lowerinterval 32.5 to 33.2
Stroke among adultsBRFSS 20233.9%3.3 to 4.62.9%above3.4%similar2.4%2.1 to 2.82.6%in line2.9%similar
Prevention: San Juan County, WA
MeasureEstimate and interval on a scale of 0 to 100%Estimate95% intervalWA figure (site aggregate)United States
Cholesterol screening among adultsBRFSS 202389.4%87.8 to 90.984.0%above87.5%similar83.1%80.4 to 85.582.8%in line85.6%similar
Colorectal cancer screening among adults aged 45–75 yearsBRFSS 202267.5%62.9 to 72.066.2%in line66.3%similar57.4%52.5 to 62.461.4%in line54.1%similar
Current lack of health insurance among adults aged 18-64 yearsBRFSS 20236.0%4.6 to 7.88.4%below11.0%lowerinterval 10.7 to 11.36.7%5.2 to 8.98.6%in line11.5%lowerinterval 11.2 to 11.9
Mammography use among women aged 50-74 yearsBRFSS 202274.1%67.0 to 80.574.2%in line76.5%similar71.7%64.3 to 78.473.7%in line76.0%similar
Taking medicine to control high blood pressure among adults with high blood pressureBRFSS 202378.8%75.6 to 81.570.7%above77.0%similar50.0%45.7 to 54.151.4%in line57.5%lowerinterval 56.8 to 58.2
Visited dentist or dental clinic in the past year among adultsBRFSS 202269.2%66.2 to 72.267.0%in line63.9%higherinterval 63.6 to 64.268.2%65.3 to 71.366.7%in line63.4%higherinterval 63.1 to 63.7
Visits to doctor for routine checkup within the past year among adultsBRFSS 202374.1%70.6 to 77.370.7%in line77.7%lowerinterval 77.4 to 78.065.4%61.1 to 69.369.2%in line75.7%lowerinterval 75.4 to 76.0
Health risk behaviors: San Juan County, WA
MeasureEstimate and interval on a scale of 0 to 40%Estimate95% intervalWA figure (site aggregate)United States
Binge drinking among adultsBRFSS 202314.0%11.7 to 16.616.6%in line15.2%similar19.5%16.4 to 22.817.6%in line16.6%similar
Current cigarette smoking among adultsBRFSS 20238.9%6.6 to 11.210.1%in line11.4%similar9.5%7.0 to 12.310.2%in line11.6%similar
No leisure-time physical activity among adultsBRFSS 202315.8%12.2 to 19.517.9%in line24.5%lowerinterval 24.2 to 24.813.6%10.7 to 16.917.4%below23.7%lowerinterval 23.4 to 24.0
Short sleep duration among adultsBRFSS 202226.6%22.2 to 31.531.8%below36.0%lowerinterval 35.7 to 36.328.9%24.3 to 34.132.3%in line36.8%lowerinterval 36.5 to 37.2
Disability: San Juan County, WA
MeasureEstimate and interval on a scale of 0 to 40%Estimate95% intervalWA figure (site aggregate)United States
Any disability among adultsBRFSS 202328.1%23.4 to 32.527.1%in line30.0%similar23.5%19.8 to 27.526.2%in line28.3%lowerinterval 28.0 to 28.7
Cognitive disability among adultsBRFSS 202310.7%8.9 to 12.613.5%below13.7%lowerinterval 13.4 to 13.912.6%10.5 to 15.113.9%in line14.1%similar
Hearing disability among adultsBRFSS 20239.2%7.9 to 10.56.4%above6.7%higherinterval 6.6 to 6.95.7%4.9 to 6.55.8%in line5.8%similar
Independent living disability among adultsBRFSS 20236.5%5.2 to 7.96.8%in line7.9%similar6.1%5.0 to 7.46.8%in line7.6%similar
Mobility disability among adultsBRFSS 202313.6%10.8 to 16.510.9%in line13.5%similar8.9%7.2 to 10.69.9%in line11.7%lowerinterval 11.5 to 11.9
Self-care disability among adultsBRFSS 20233.3%2.7 to 4.03.1%in line3.8%similar2.6%2.1 to 3.12.9%in line3.4%lowerinterval 3.3 to 3.6
Vision disability among adultsBRFSS 20234.0%3.3 to 4.84.1%in line5.5%lowerinterval 5.4 to 5.73.3%2.8 to 3.94.0%below5.2%lowerinterval 5.1 to 5.4
Health status: San Juan County, WA
MeasureEstimate and interval on a scale of 0 to 30%Estimate95% intervalWA figure (site aggregate)United States
Fair or poor self-rated health status among adultsBRFSS 202315.5%12.4 to 18.816.3%in line19.2%lowerinterval 18.9 to 19.513.3%10.9 to 15.915.8%in line18.3%lowerinterval 18.0 to 18.6
Frequent mental distress among adultsBRFSS 202313.0%11.2 to 14.916.4%below15.6%lowerinterval 15.3 to 15.816.3%14.1 to 18.817.0%in line16.3%similar
Frequent physical distress among adultsBRFSS 202313.0%10.8 to 15.212.4%in line12.8%similar10.9%9.3 to 12.711.9%in line12.1%similar

ZIP Codes in San Juan County

ZIP Codes in San Juan County, WA, in ZIP Code order
ZIP CodeResidentsEstimate95% confidence intervalAgainst San Juan County
ZIP Code 9824334024.7%19.6 to 30.4similar
ZIP Code 982454,37225.6%20.6 to 31.2similar
ZIP Code 982508,63224.8%19.8 to 30.2similar
ZIP Code 982612,75225.0%19.8 to 30.6similar
ZIP Code 9827965126.3%21.0 to 32.4similar
ZIP Code 9828047424.1%19.3 to 29.7similar
ZIP Code 9828625324.3%19.2 to 29.8similar
ZIP Code 9829714224.8%19.6 to 30.6similar

The dashed line in each drawing is San Juan 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 San Juan County as a CSV file, with all measures.

Cities and places in San Juan County

Places in San Juan County, WA, in name order
PlaceResidentsEstimate95% confidence intervalAgainst San Juan County
Friday Harbor2,61326.6%21.3 to 32.4similar
Point Roberts1,19126.4%22.9 to 30.0similar
Roche Harbor66224.1%19.1 to 30.1similar

The dashed line in each drawing is San Juan 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 San Juan County, WA, for 12 of the 40 measures.

San Juan County, WA: crude prevalence and 95% confidence interval in each PLACES release
Measure2022 release2023 release2024 release2025 release
COPD7.0%5.5 to 8.67.1%5.5 to 9.07.7%7.0 to 8.56.4%4.9 to 8.0
Coronary Heart Disease8.4%7.4 to 9.57.7%6.6 to 9.19.0%8.1 to 9.98.0%6.8 to 9.2
Current Asthma10.2%9.6 to 10.810.2%8.9 to 11.610.8%9.6 to 12.110.4%9.2 to 11.7
Depression22.8%21.5 to 24.322.4%18.6 to 26.523.6%20.5 to 27.022.5%19.3 to 25.8
Diabetes10.9%9.8 to 12.110.8%9.0 to 12.811.7%10.2 to 13.310.9%9.1 to 12.8
High Blood Pressure34.6%32.8 to 36.435.1%30.7 to 39.533.7%29.9 to 37.537.0%32.9 to 40.8
Obesity25.7%24.1 to 27.423.9%18.6 to 29.925.9%21.1 to 31.124.7%19.6 to 30.2
Health Insurance8.1%6.6 to 10.05.9%4.4 to 7.73.8%3.4 to 4.36.0%4.6 to 7.8
Binge Drinking13.2%12.8 to 13.813.6%11.2 to 16.414.3%11.8 to 17.314.0%11.7 to 16.6
Current Cigarette Smoking10.3%7.9 to 12.810.7%7.9 to 13.710.6%9.3 to 12.08.9%6.6 to 11.2
Physical Inactivity16.1%13.6 to 18.916.3%12.6 to 20.517.3%14.6 to 20.215.8%12.2 to 19.5
General Health13.0%10.8 to 15.914.7%11.8 to 18.116.5%14.8 to 18.315.5%12.4 to 18.8

Official sources

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

Cite this page

Health by ZIP. San Juan County, WA: 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/wa/san-juan-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 San Juan County, WA

How does the obesity estimate of San Juan County, WA compare with Washington?

The Washington figure is 30.6% (site aggregate).

It has no confidence interval.

The whole interval of San Juan County, WA is below the Washington figure.

How does the obesity estimate of San Juan County, WA compare with the nation?

The US estimate is 32.8%.

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

The two intervals do not overlap. The estimate for San Juan County, WA is lower.

What does CDC estimate for diagnosed diabetes in San Juan County, WA?

CDC estimates that 10.9% of the adults of San Juan County, WA have diagnosed diabetes.

The 95% confidence interval is 9.1% to 12.8%.

PLACES 2025, BRFSS 2023.

For how many measures is San Juan County, WA above or below the Washington figure?

San Juan County, WA and the Washington figure both have a value for 39 measures.

The estimate for San Juan County, WA is above the Washington figure for 9 measures.

It is below the Washington figure for 11 measures.

It is in line with the Washington figure for 19 measures.

6 estimates on the page are from a release before PLACES 2025. The report card names the release.

1 measure has no estimate for this area in any release on this site.