--- type: Jurisdiction title: "Polk County, IA" classification: county fips: "19153" state: "IA" demographics: population: 503175 population_under_18: 122594 population_18_64: 310306 population_65_plus: 70275 median_household_income: 83576 poverty_rate: 10.31 homeownership_rate: 67.35 unemployment_rate: 4.35 median_home_value: 262100 gini_index: 0.4372 vacancy_rate: 6.01 race_white: 381269 race_black: 37401 race_asian: 25053 race_native: 1562 hispanic: 52317 bachelors_plus: 179585 sources: - field: demographics source: Census ACS 2023 confidence: official tags: [jurisdiction, county, ia] timestamp: "2026-07-03" --- # Polk County, IA County jurisdiction — 10 officeholders mapped. ## Demographics (ACS 2023) | Measure | Value | | --- | --- | | Population | 503175 | | Under 18 | 122594 | | 18–64 | 310306 | | 65+ | 70275 | | Median household income | 83576 | | Poverty rate | 10.31 | | Homeownership rate | 67.35 | | Unemployment rate | 4.35 | | Median home value | 262100 | | Gini index | 0.4372 | | Vacancy rate | 6.01 | | White | 381269 | | Black | 37401 | | Asian | 25053 | | Native | 1562 | | Hispanic/Latino | 52317 | | Bachelor's or higher | 179585 | ## Source - demographics: Census ACS 2023