Polk County, Iowa

IA · FIPS 19153 · ACS 2024 5-Year Estimates

Metric Value vs National Rank Percentile
Total Population 503,175 #144 / 3,222
96th
Median Household Income $83,576 +11.2% #464 / 3,222
86th
Median Age 36.2 years -6.9% #2,848 / 3,222
12th
Median Home Value $262,100 -7.0% #832 / 3,222
74th
Median Gross Rent $1,149 -1.2% #625 / 3,222
81th
Poverty Rate 10.3% -18.2% #859 / 3,222
73th

Demographics

Polk County has a population of 503,175, making it the #144 most populous county in the US. The median age is 36.2 years, which is 6.9% below the national median.

Population Trend

Rankings →

Year-over-Year Population Growth

Age & Sex Distribution

Race & Ethnicity

Nativity

89.9%
Native Born
10.1%
Foreign Born

Household Type

Economy

The median household income in Polk County is $83,576, ranking #464 out of 3,222 counties — 11.2% above the national median. The poverty rate is 10.3% and unemployment stands at 4.3%.

Median Household Income
$83,576 +11.2% vs nat'l
Rank #464 of 3,222
86th percentile
Per Capita Income
$45,622 +10.6% vs nat'l
Rank #378 of 3,222
88th percentile
Poverty Rate
10.3% −18.2% vs nat'l
Rank #859 of 3,222
73th percentile
Unemployment Rate
4.3% −18.2% vs nat'l
Rank #1,530 of 3,222
53th percentile
Bachelor's Degree or Higher
40.3% +19.5% vs nat'l
Rank #273 of 3,222
92th percentile
Mean Commute Time
22.1 min −20.0% vs nat'l
Rank #2,520 of 3,222
22th percentile

Median Household Income Trend

Rankings →

Poverty Rate Trend

Rankings →

Housing

The median home value in Polk County is $262,100 (-7.0% vs national). Renters pay a median of $1,149/mo and the homeownership rate is 67.4%.

Median Home Value
$262,100 −7.0% vs nat'l
Rank #832 of 3,222
74th percentile
Median Gross Rent
$1,149 −1.2% vs nat'l
Rank #625 of 3,222
81th percentile
Homeownership Rate
67.4% +4.6% vs nat'l
Rank #2,544 of 3,222
21th percentile
67.4% Homeownership

Median Home Value Trend

Rankings →

Health

94.7% of residents in Polk County have health insurance coverage, which is 3.3% above the national rate.

94.7% Health Insurance
Health Insurance Coverage
94.7% +3.3% vs nat'l
Rank #759 of 3,222
76th percentile

About Polk County, Iowa

Polk County, Iowa has a total population of 503,175, making it the 144th most populous county in the United States. The median age in Polk County is 36.2 years, which is 6.9% below the national median of 38.9 years.

The median household income in Polk County is $83,576, which ranks #464 of 3,222 counties nationwide. This is 11.2% above the national median of $75,149. The poverty rate is 10.3%, lower than the national rate of 12.6%. The unemployment rate stands at 4.3%.

The median home value in Polk County is $262,100, 7.0% below the national median. Renters in Polk County pay a median gross rent of $1,149 per month. The homeownership rate is 67.4%, compared to the national rate of 64.4%.

In Polk County, 40.3% of residents aged 25 and older hold a bachelor's degree or higher, 19.5% above the national average of 33.7%. Health insurance coverage stands at 94.7% of the population. The average commute time for workers is 22.1 min.

Polk County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 73.2% of the population, followed by Hispanic or Latino (10.4%) and Black (non-Hispanic) (7.3%).

All data for Polk County, Iowa comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.