Health by ZIP

Loudoun County, VA health estimates

Virginia. 436,347 residents, 322,393 adults (the Census population estimates that PLACES uses). 17 ZIP Codes and 30 places with estimates.

Compare with another placeZIP Codes of the county (CSV)

Loudoun County in Virginia. 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 28.1% of the adults of Loudoun County, VA have obesity.

The 95% confidence interval is 23.4% to 33.2%.

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: Loudoun County, VA
MeasureEstimate and interval on a scale of 0 to 50%Estimate95% intervalVA figure (site aggregate)United States
All teeth lost among adults aged ≥65 yearsBRFSS 20227.3%5.9 to 9.011.1%below12.2%lowerinterval 11.8 to 12.67.5%6.1 to 9.311.4%below12.6%lowerinterval 12.2 to 13.0
Arthritis among adultsBRFSS 202320.9%18.3 to 23.426.2%below25.4%lowerinterval 25.1 to 25.619.9%17.5 to 22.323.4%below21.9%similar
Cancer (non-skin) or melanoma among adultsBRFSS 20236.6%5.9 to 7.37.7%below7.9%lowerinterval 7.8 to 8.16.4%5.8 to 7.16.6%in line6.6%similar
Chronic obstructive pulmonary disease among adultsBRFSS 20233.7%3.0 to 4.56.2%below6.2%lowerinterval 6.1 to 6.33.6%2.9 to 4.35.5%below5.3%lowerinterval 5.2 to 5.4
Coronary heart disease among adultsBRFSS 20234.2%3.7 to 4.86.1%below6.4%lowerinterval 6.2 to 6.54.2%3.6 to 4.75.2%below5.3%lowerinterval 5.2 to 5.4
Current asthma among adultsBRFSS 20238.9%7.9 to 10.110.4%below9.8%similar8.9%7.8 to 10.010.5%below9.8%similar
Depression among adultsBRFSS 202318.4%15.8 to 21.221.8%below20.2%similar18.7%16.0 to 21.522.4%below20.7%similar
Diagnosed diabetes among adultsBRFSS 20239.5%8.1 to 11.012.5%below12.0%lowerinterval 11.8 to 12.28.9%7.6 to 10.211.0%below10.3%similar
High blood pressure among adultsBRFSS 202329.8%26.5 to 33.235.4%below34.4%lowerinterval 34.0 to 34.728.6%25.4 to 31.732.6%below30.7%similar
High cholesterol among adults who have ever been screenedBRFSS 202336.3%32.6 to 40.138.0%in line37.4%similar33.8%30.2 to 37.533.8%in line32.2%similar
Obesity among adultsBRFSS 202328.1%23.4 to 33.234.5%below32.8%similar27.3%22.6 to 32.434.6%below32.9%lowerinterval 32.5 to 33.2
Stroke among adultsBRFSS 20232.2%1.9 to 2.53.3%below3.4%lowerinterval 3.3 to 3.52.1%1.9 to 2.42.9%below2.9%lowerinterval 2.8 to 3.0
Prevention: Loudoun County, VA
MeasureEstimate and interval on a scale of 0 to 100%Estimate95% intervalVA figure (site aggregate)United States
Cholesterol screening among adultsBRFSS 202389.6%87.8 to 91.187.5%above87.5%similar88.6%86.7 to 90.386.3%above85.6%higherinterval 85.3 to 85.8
Colorectal cancer screening among adults aged 45–75 yearsBRFSS 202263.6%59.5 to 67.767.4%in line66.3%similar64.0%60.0 to 68.162.7%in line54.1%higherinterval 53.7 to 54.6
Current lack of health insurance among adults aged 18-64 yearsBRFSS 20236.8%5.2 to 8.68.7%below11.0%lowerinterval 10.7 to 11.37.1%5.4 to 9.09.0%in line11.5%lowerinterval 11.2 to 11.9
Mammography use among women aged 50-74 yearsBRFSS 202279.0%73.2 to 84.278.6%in line76.5%similar79.2%73.5 to 84.478.3%in line76.0%similar
Taking medicine to control high blood pressure among adults with high blood pressureBRFSS 202375.0%71.5 to 77.976.8%in line77.0%similar58.3%53.9 to 62.359.3%in line57.5%similar
Visited dentist or dental clinic in the past year among adultsBRFSS 202274.5%71.8 to 77.167.9%above63.9%higherinterval 63.6 to 64.274.5%71.9 to 77.267.4%above63.4%higherinterval 63.1 to 63.7
Visits to doctor for routine checkup within the past year among adultsBRFSS 202379.1%75.6 to 82.179.2%in line77.7%similar78.3%74.8 to 81.477.7%in line75.7%similar
Health risk behaviors: Loudoun County, VA
MeasureEstimate and interval on a scale of 0 to 40%Estimate95% intervalVA figure (site aggregate)United States
Binge drinking among adultsBRFSS 202314.0%11.6 to 16.614.5%in line15.2%similar14.4%11.9 to 17.015.5%in line16.6%similar
Current cigarette smoking among adultsBRFSS 20238.4%6.6 to 10.312.2%below11.4%lowerinterval 11.2 to 11.68.0%6.3 to 9.912.5%below11.6%lowerinterval 11.4 to 11.9
No leisure-time physical activity among adultsBRFSS 202319.0%15.8 to 22.523.8%below24.5%lowerinterval 24.2 to 24.818.7%15.6 to 22.123.1%below23.7%lowerinterval 23.4 to 24.0
Short sleep duration among adultsBRFSS 202230.5%26.4 to 35.036.0%below36.0%lowerinterval 35.7 to 36.330.1%26.1 to 34.636.7%below36.8%lowerinterval 36.5 to 37.2
Disability: Loudoun County, VA
MeasureEstimate and interval on a scale of 0 to 40%Estimate95% intervalVA figure (site aggregate)United States
Any disability among adultsBRFSS 202322.5%19.3 to 26.030.0%below30.0%lowerinterval 29.7 to 30.322.7%19.5 to 26.228.8%below28.3%lowerinterval 28.0 to 28.7
Cognitive disability among adultsBRFSS 202310.5%9.0 to 12.114.0%below13.7%lowerinterval 13.4 to 13.910.8%9.2 to 12.514.4%below14.1%lowerinterval 13.8 to 14.3
Hearing disability among adultsBRFSS 20234.8%4.1 to 5.46.4%below6.7%lowerinterval 6.6 to 6.94.8%4.2 to 5.55.6%below5.8%lowerinterval 5.7 to 6.0
Independent living disability among adultsBRFSS 20235.1%4.3 to 5.97.7%below7.9%lowerinterval 7.7 to 8.15.1%4.3 to 5.97.6%below7.6%lowerinterval 7.4 to 7.8
Mobility disability among adultsBRFSS 20238.9%7.4 to 10.513.5%below13.5%lowerinterval 13.3 to 13.78.5%7.1 to 10.112.1%below11.7%lowerinterval 11.5 to 11.9
Self-care disability among adultsBRFSS 20232.2%1.9 to 2.53.5%below3.8%lowerinterval 3.6 to 3.92.1%1.8 to 2.43.2%below3.4%lowerinterval 3.3 to 3.6
Vision disability among adultsBRFSS 20233.1%2.7 to 3.64.7%below5.5%lowerinterval 5.4 to 5.73.1%2.7 to 3.54.5%below5.2%lowerinterval 5.1 to 5.4
Health status: Loudoun County, VA
MeasureEstimate and interval on a scale of 0 to 30%Estimate95% intervalVA figure (site aggregate)United States
Fair or poor self-rated health status among adultsBRFSS 202313.4%11.4 to 15.818.1%below19.2%lowerinterval 18.9 to 19.513.1%11.1 to 15.317.4%below18.3%lowerinterval 18.0 to 18.6
Frequent mental distress among adultsBRFSS 202313.0%11.4 to 14.815.9%below15.6%lowerinterval 15.3 to 15.813.3%11.7 to 15.216.7%below16.3%lowerinterval 16.0 to 16.6
Frequent physical distress among adultsBRFSS 20239.9%8.5 to 11.412.8%below12.8%lowerinterval 12.6 to 13.09.6%8.3 to 11.012.2%below12.1%lowerinterval 11.8 to 12.3

ZIP Codes in Loudoun County

ZIP Codes in Loudoun County, VA, in ZIP Code order
ZIP CodeResidentsEstimate95% confidence intervalAgainst Loudoun County
ZIP Code 2010534,47526.3%21.8 to 31.4similar
ZIP Code 201172,74631.6%26.6 to 37.2similar
ZIP Code 2012948230.6%25.1 to 36.3similar
ZIP Code 2013218,48330.2%25.2 to 35.7similar
ZIP Code 201418,17829.6%24.4 to 35.1similar
ZIP Code 2014766,39427.8%23.1 to 32.9similar
ZIP Code 2014861,79325.3%20.9 to 30.0similar
ZIP Code 2015237,01325.9%21.4 to 30.8similar
ZIP Code 201584,63930.0%24.9 to 35.5similar
ZIP Code 2016440,88832.2%27.0 to 37.7similar
ZIP Code 2016533,77728.6%23.7 to 34.0similar
ZIP Code 2016614,16428.2%23.5 to 33.2similar
ZIP Code 2017533,24530.8%25.6 to 36.2similar
ZIP Code 2017651,77730.1%25.0 to 35.4similar
ZIP Code 201808,07331.1%25.8 to 36.7similar
ZIP Code 2018473533.3%28.4 to 38.5similar
ZIP Code 201972,55829.3%24.2 to 34.5similar

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

Cities and places in Loudoun County

Places in Loudoun County, VA, in name order
PlaceResidentsEstimate95% confidence intervalAgainst Loudoun County
Aldie7030.3%24.8 to 36.5similar
Arcola2,41225.5%21.0 to 30.5similar
Ashburn46,34927.6%22.9 to 32.8similar
Belmont10,26827.4%22.7 to 32.7similar
Brambleton23,48625.3%21.0 to 30.2similar
Broadlands14,02127.2%22.4 to 32.1similar
Cascades12,36628.0%23.1 to 33.4similar
Countryside10,41830.0%24.9 to 35.4similar
Dulles Town Center5,90931.3%26.2 to 36.7similar
Goose Creek Village2,29827.2%22.6 to 32.4similar
Hamilton61930.2%24.8 to 36.0similar
Hillsboro11429.9%24.5 to 35.7similar
Kincora36730.5%25.4 to 36.1similar
Lansdowne12,42728.0%23.1 to 33.2similar
Leesburg48,25031.5%26.4 to 37.0similar
Loudoun Valley Estates11,43622.2%18.2 to 26.7similar
Lovettsville2,69431.7%26.3 to 37.5similar
Lowes Island11,02327.5%22.8 to 32.7similar
Middleburg66932.0%26.6 to 37.8similar
Moorefield4,42125.9%21.3 to 30.9similar
Oak Grove2,45224.8%20.3 to 29.9similar
One Loudoun2,28526.9%22.3 to 32.3similar
Purcellville8,92930.2%25.0 to 35.8similar
Round Hill69329.2%24.0 to 34.9similar
South Riding33,87726.1%21.6 to 31.0similar
Sterling30,33732.4%27.2 to 37.9similar
Stone Ridge15,03926.3%21.8 to 31.4similar
Sugarland Run12,34531.2%26.2 to 36.7similar
University Center3,96931.8%26.6 to 37.4similar
Waterford18127.3%22.1 to 32.9similar

The dashed line in each drawing is Loudoun 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 Loudoun County, VA, for 12 of the 40 measures.

Loudoun County, VA: crude prevalence and 95% confidence interval in each PLACES release
Measure2022 release2023 release2024 release2025 release
COPD3.7%3.1 to 4.43.8%3.0 to 4.74.3%3.9 to 4.83.7%3.0 to 4.5
Coronary Heart Disease4.1%3.8 to 4.53.8%3.2 to 4.34.5%4.0 to 5.04.2%3.7 to 4.8
Current Asthma8.2%7.9 to 8.58.8%7.7 to 9.98.7%7.7 to 9.88.9%7.9 to 10.1
Depression15.5%14.8 to 16.316.4%13.9 to 19.319.4%17.0 to 22.318.4%15.8 to 21.2
Diabetes8.4%7.9 to 9.08.5%7.2 to 9.810.2%8.9 to 11.69.5%8.1 to 11.0
High Blood Pressure26.1%25.2 to 27.127.4%24.4 to 30.626.4%23.5 to 29.629.8%26.5 to 33.2
Obesity27.9%26.8 to 29.030.6%26.2 to 35.329.4%25.2 to 34.028.1%23.4 to 33.2
Health Insurance10.2%8.6 to 12.15.5%4.2 to 7.15.0%4.3 to 5.66.8%5.2 to 8.6
Binge Drinking14.5%14.1 to 15.016.7%14.2 to 19.517.4%14.7 to 20.614.0%11.6 to 16.6
Current Cigarette Smoking10.0%8.1 to 12.09.0%6.9 to 11.49.3%8.1 to 10.68.4%6.6 to 10.3
Physical Inactivity16.1%14.5 to 17.916.2%13.2 to 19.416.3%14.0 to 19.019.0%15.8 to 22.5
General Health9.2%8.1 to 10.610.7%8.9 to 12.812.0%10.7 to 13.413.4%11.4 to 15.8

Official sources

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

Cite this page

Health by ZIP. Loudoun County, VA: 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/va/loudoun-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 Loudoun County, VA

How does the obesity estimate of Loudoun County, VA compare with Virginia?

The Virginia figure is 34.5% (site aggregate).

It has no confidence interval.

The whole interval of Loudoun County, VA is below the Virginia figure.

How does the obesity estimate of Loudoun County, VA 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 Loudoun County, VA is similar.

What does CDC estimate for diagnosed diabetes in Loudoun County, VA?

CDC estimates that 9.5% of the adults of Loudoun County, VA have diagnosed diabetes.

The 95% confidence interval is 8.1% to 11.0%.

PLACES 2025, BRFSS 2023.

For how many measures is Loudoun County, VA above or below the Virginia figure?

Loudoun County, VA and the Virginia figure both have a value for 40 measures.

The estimate for Loudoun County, VA is above the Virginia figure for 2 measures.

It is below the Virginia figure for 30 measures.

It is in line with the Virginia figure for 8 measures.