Health by ZIP

Polk County, IA health estimates

Iowa. 505,255 residents, 383,731 adults (the Census population estimates that PLACES uses). 32 ZIP Codes and 18 places with estimates.

Compare with another placeZIP Codes of the county (CSV)

Polk County in Iowa. 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 37.0% of the adults of Polk County, IA have obesity.

The 95% confidence interval is 33.6% to 40.6%.

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: Polk County, IA
MeasureEstimate and interval on a scale of 0 to 50%Estimate95% intervalIA figure (site aggregate)United States
All teeth lost among adults aged ≥65 yearsBRFSS 202211.7%9.7 to 14.011.6%in line12.2%similar11.9%9.9 to 14.211.8%in line12.6%similar
Arthritis among adultsBRFSS 202325.2%23.0 to 27.427.0%in line25.4%similar24.0%21.9 to 26.123.5%in line21.9%similar
Cancer (non-skin) or melanoma among adultsBRFSS 20237.4%6.7 to 8.18.7%below7.9%similar7.0%6.3 to 7.77.2%in line6.6%similar
Chronic obstructive pulmonary disease among adultsBRFSS 20235.8%4.7 to 7.16.9%in line6.2%similar5.5%4.5 to 6.76.0%in line5.3%similar
Coronary heart disease among adultsBRFSS 20235.5%4.8 to 6.36.6%below6.4%similar5.2%4.5 to 5.95.4%in line5.3%similar
Current asthma among adultsBRFSS 20239.8%8.7 to 11.09.9%in line9.8%similar9.8%8.7 to 10.910.0%in line9.8%similar
Depression among adultsBRFSS 202321.6%19.3 to 24.120.7%in line20.2%similar21.7%19.3 to 24.221.5%in line20.7%similar
Diagnosed diabetes among adultsBRFSS 202310.1%8.8 to 11.511.2%in line12.0%lowerinterval 11.8 to 12.29.6%8.3 to 10.99.7%in line10.3%similar
High blood pressure among adultsBRFSS 202331.2%28.7 to 33.733.9%below34.4%lowerinterval 34.0 to 34.730.1%27.6 to 32.530.5%in line30.7%similar
High cholesterol among adults who have ever been screenedBRFSS 202334.4%31.8 to 37.035.3%in line37.4%lowerinterval 37.1 to 37.831.6%29.0 to 34.130.6%in line32.2%similar
Obesity among adultsBRFSS 202337.0%33.6 to 40.637.7%in line32.8%higherinterval 32.4 to 33.136.9%33.4 to 40.538.2%in line32.9%higherinterval 32.5 to 33.2
Stroke among adultsBRFSS 20232.8%2.4 to 3.23.3%below3.4%lowerinterval 3.3 to 3.52.7%2.3 to 3.02.8%in line2.9%similar
Prevention: Polk County, IA
MeasureEstimate and interval on a scale of 0 to 90%Estimate95% intervalIA figure (site aggregate)United States
Cholesterol screening among adultsBRFSS 202383.5%81.1 to 85.884.1%in line87.5%lowerinterval 87.3 to 87.883.1%80.6 to 85.482.6%in line85.6%similar
Colorectal cancer screening among adults aged 45–75 yearsBRFSS 202265.5%61.7 to 69.166.6%in line66.3%similar61.8%58.0 to 65.461.0%in line54.1%higherinterval 53.7 to 54.6
Current lack of health insurance among adults aged 18-64 yearsBRFSS 20237.5%5.9 to 9.37.3%in line11.0%lowerinterval 10.7 to 11.37.6%5.9 to 9.47.6%in line11.5%lowerinterval 11.2 to 11.9
Mammography use among women aged 50-74 yearsBRFSS 202278.2%72.7 to 83.078.7%in line76.5%similar77.5%72.0 to 82.478.1%in line76.0%similar
Taking medicine to control high blood pressure among adults with high blood pressureBRFSS 202375.7%73.1 to 78.277.8%in line77.0%similar59.3%55.8 to 62.758.9%in line57.5%similar
Visited dentist or dental clinic in the past year among adultsBRFSS 202263.9%61.0 to 66.566.8%below63.9%similar64.0%61.1 to 66.666.0%in line63.4%similar
Visits to doctor for routine checkup within the past year among adultsBRFSS 202375.3%72.6 to 77.877.5%in line77.7%similar74.8%72.0 to 77.375.6%in line75.7%similar
Health risk behaviors: Polk County, IA
MeasureEstimate and interval on a scale of 0 to 40%Estimate95% intervalIA figure (site aggregate)United States
Binge drinking among adultsBRFSS 202320.9%18.6 to 23.220.5%in line15.2%higherinterval 15.0 to 15.521.3%19.0 to 23.722.3%in line16.6%higherinterval 16.3 to 16.9
Current cigarette smoking among adultsBRFSS 202313.3%10.5 to 16.614.5%in line11.4%similar13.3%10.6 to 16.515.0%in line11.6%similar
No leisure-time physical activity among adultsBRFSS 202323.7%20.4 to 27.424.8%in line24.5%similar23.5%20.1 to 27.223.9%in line23.7%similar
Short sleep duration among adultsBRFSS 202235.0%31.6 to 38.432.5%in line36.0%similar35.3%31.8 to 38.733.6%in line36.8%similar
Disability: Polk County, IA
MeasureEstimate and interval on a scale of 0 to 40%Estimate95% intervalIA figure (site aggregate)United States
Any disability among adultsBRFSS 202326.2%22.9 to 30.028.1%in line30.0%similar25.9%22.6 to 29.626.5%in line28.3%similar
Cognitive disability among adultsBRFSS 202313.4%11.3 to 15.813.5%in line13.7%similar13.5%11.4 to 15.914.0%in line14.1%similar
Hearing disability among adultsBRFSS 20236.1%5.3 to 7.07.4%below6.7%similar5.9%5.2 to 6.76.4%in line5.8%similar
Independent living disability among adultsBRFSS 20236.8%5.7 to 8.17.4%in line7.9%similar6.7%5.7 to 8.07.2%in line7.6%similar
Mobility disability among adultsBRFSS 202310.9%9.1 to 13.012.7%in line13.5%lowerinterval 13.3 to 13.710.4%8.8 to 12.410.9%in line11.7%similar
Self-care disability among adultsBRFSS 20233.0%2.5 to 3.53.4%in line3.8%lowerinterval 3.6 to 3.92.9%2.4 to 3.43.1%in line3.4%similar
Vision disability among adultsBRFSS 20233.9%3.3 to 4.64.3%in line5.5%lowerinterval 5.4 to 5.73.8%3.3 to 4.54.0%in line5.2%lowerinterval 5.1 to 5.4
Health status: Polk County, IA
MeasureEstimate and interval on a scale of 0 to 30%Estimate95% intervalIA figure (site aggregate)United States
Fair or poor self-rated health status among adultsBRFSS 202317.2%14.7 to 20.417.8%in line19.2%similar17.0%14.5 to 20.017.0%in line18.3%similar
Frequent mental distress among adultsBRFSS 202317.2%15.1 to 19.516.4%in line15.6%similar17.4%15.3 to 19.717.3%in line16.3%similar
Frequent physical distress among adultsBRFSS 202312.5%10.8 to 14.512.7%in line12.8%similar12.2%10.6 to 14.112.0%in line12.1%similar

ZIP Codes in Polk County

ZIP Codes in Polk County, IA, in ZIP Code order
ZIP CodeResidentsEstimate95% confidence intervalAgainst Polk County
ZIP Code 5000749734.9%31.3 to 39.1similar
ZIP Code 5000921,23037.4%33.8 to 41.2similar
ZIP Code 5002128,80734.0%30.6 to 37.7similar
ZIP Code 5002343,60334.0%30.4 to 37.6similar
ZIP Code 5003239539.5%35.7 to 43.4similar
ZIP Code 500358,96834.8%31.1 to 38.7similar
ZIP Code 500731,40533.9%30.3 to 38.0similar
ZIP Code 501093,34834.5%30.9 to 38.1similar
ZIP Code 5011116,02535.4%31.8 to 39.2similar
ZIP Code 5013124,43434.0%30.6 to 37.6similar
ZIP Code 501612,01734.4%29.8 to 38.9similar
ZIP Code 501693,37237.5%33.8 to 41.2similar
ZIP Code 502266,87935.4%31.8 to 39.3similar
ZIP Code 502373,15337.5%33.9 to 41.2similar
ZIP Code 5024329733.7%30.1 to 37.1similar
ZIP Code 502441,82532.7%27.9 to 37.6similar
ZIP Code 5026532,18735.6%32.0 to 39.3similar
ZIP Code 503099,53234.1%30.7 to 37.7similar
ZIP Code 5031030,75437.2%33.6 to 40.9similar
ZIP Code 5031114,78236.9%33.4 to 40.8similar
ZIP Code 5031215,48534.3%31.0 to 37.9similar
ZIP Code 5031317,72341.2%37.5 to 44.9similar
ZIP Code 5031411,76447.9%44.0 to 51.8higher
ZIP Code 5031536,69340.5%36.8 to 44.3similar
ZIP Code 5031616,78542.7%39.0 to 46.4similar
ZIP Code 5031737,22141.0%37.4 to 44.8similar
ZIP Code 5032023,36938.6%35.2 to 42.1similar
ZIP Code 503217,78337.9%34.2 to 41.7similar
ZIP Code 5032231,65235.9%32.4 to 39.6similar
ZIP Code 503245,25235.5%31.8 to 39.4similar
ZIP Code 5032518,61933.4%30.3 to 36.7similar
ZIP Code 5032711,80737.8%34.2 to 41.8similar

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

Cities and places in Polk County

Places in Polk County, IA, in name order
PlaceResidentsEstimate95% confidence intervalAgainst Polk County
Alleman42334.7%31.1 to 38.9similar
Altoona19,56537.3%33.7 to 41.2similar
Ankeny67,88733.9%30.4 to 37.5similar
Bondurant7,36535.0%31.2 to 39.0similar
Carlisle4,16038.5%31.5 to 45.6similar
Clive18,60133.4%30.3 to 36.7similar
Des Moines214,13339.4%35.8 to 43.1similar
Elkhart88234.0%30.1 to 38.1similar
Grimes15,39235.4%31.8 to 39.3similar
Johnston24,06434.0%30.6 to 37.6similar
Mitchellville2,48537.6%33.7 to 41.6similar
Pleasant Hill10,14737.9%34.2 to 41.7similar
Polk City5,54335.6%31.9 to 39.8similar
Runnells45737.2%33.4 to 41.1similar
Saylorville3,58436.7%33.1 to 40.5similar
Urbandale45,58034.6%31.4 to 37.8similar
West Des Moines68,72333.6%30.6 to 36.7similar
Windsor Heights5,25235.5%31.8 to 39.4similar

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

Polk County, IA: crude prevalence and 95% confidence interval in each PLACES release
Measure2022 release2023 release2024 release2025 release
COPD5.6%4.7 to 6.75.8%4.7 to 7.16.5%5.8 to 7.25.8%4.7 to 7.1
Coronary Heart Disease5.6%5.0 to 6.25.2%4.5 to 5.95.8%5.2 to 6.45.5%4.8 to 6.3
Current Asthma9.0%8.5 to 9.49.1%8.1 to 10.210.1%9.0 to 11.39.8%8.7 to 11.0
Depression17.7%16.7 to 18.819.2%16.8 to 21.720.5%18.1 to 23.021.6%19.3 to 24.1
Diabetes9.3%8.6 to 10.18.7%7.6 to 10.110.5%9.3 to 11.810.1%8.8 to 11.5
High Blood Pressure28.6%27.4 to 29.729.6%27.1 to 32.229.3%26.9 to 31.731.2%28.7 to 33.7
Obesity34.9%33.5 to 36.335.9%32.4 to 39.739.0%35.2 to 42.637.0%33.6 to 40.6
Health Insurance9.6%7.9 to 11.58.0%6.1 to 10.17.6%6.8 to 8.57.5%5.9 to 9.3
Binge Drinking22.9%22.3 to 23.620.3%17.9 to 22.922.3%19.8 to 25.020.9%18.6 to 23.2
Current Cigarette Smoking16.2%13.3 to 19.415.4%12.3 to 19.117.7%15.8 to 19.613.3%10.5 to 16.6
Physical Inactivity21.0%18.7 to 23.523.9%20.5 to 27.624.5%21.9 to 27.223.7%20.4 to 27.4
General Health12.4%10.6 to 14.412.5%10.5 to 14.917.4%15.7 to 19.117.2%14.7 to 20.4

Official sources

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

Cite this page

Health by ZIP. Polk County, IA: 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/ia/polk-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 Polk County, IA

How does the obesity estimate of Polk County, IA compare with Iowa?

The Iowa figure is 37.7% (site aggregate).

It has no confidence interval.

The Iowa figure is inside the interval of Polk County, IA. The estimate is in line with it.

How does the obesity estimate of Polk County, IA 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 Polk County, IA is higher.

What does CDC estimate for diagnosed diabetes in Polk County, IA?

CDC estimates that 10.1% of the adults of Polk County, IA have diagnosed diabetes.

The 95% confidence interval is 8.8% to 11.5%.

PLACES 2025, BRFSS 2023.

For how many measures is Polk County, IA above or below the Iowa figure?

Polk County, IA and the Iowa figure both have a value for 40 measures.

The estimate for Polk County, IA is above the Iowa figure for 0 measures.

It is below the Iowa figure for 6 measures.

It is in line with the Iowa figure for 34 measures.