Polk County, Missouri Population 2022

Polk County, Missouri's estimated population is 31,595 with a growth rate of 0.12% in the past year according to the most recent United States census data. Polk County, Missouri is the 36th largest county in Missouri. The 2010 Population was 31,137 and has seen a growth of 1.47% since this time.

Note: 2021 and 2022 data is projected
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Polk County, Missouri Population Growth

Population by Race

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Polk County, Missouri Population by Race

Polk County, Missouri Population Pyramid 2022

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Polk County, Missouri Median Age

38.1


Total

37.3


Male

39.4


Female

Polk County, Missouri Adults

There are 24,658 adults, (5,689 of whom are seniors) in Polk County, Missouri.

Polk County, Missouri Age Dependency

Age Dependency Ratio

30

Old Age Dependency Ratio

38.9

Child Dependency Ratio

Polk County, Missouri Sex Ratio

Female

16,299

50.89%

Male

15,732

49.11%

Polk County, Missouri Population by Age

Polk County, Missouri Renter vs Owner Occupied by Household Type

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Polk County, Missouri Household Types

68.9%

Rate of Home Ownership

Polk County, Missouri Households and Families

3.03

Average Family Size

2.57

Average Household Size

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Polk County, Missouri Households by Type

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Polk County, Missouri Educational Attainment by Sex (over 25)

Polk County, Missouri Educational Attainment by Race

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The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among black people with a rate of 26.36%.

Polk County, Missouri Educational Attainment by Race

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$32,554

Average Earnings

$37,320

Average Male

$26,663

Average Female

Polk County, Missouri Earnings by Educational Attainment

Polk County, Missouri Language by Age

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Polk County, Missouri Language

96.28% of Polk County, Missouri residents speak only English, while 3.72% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.73% of the population.

Polk County, Missouri Language

Polk County, Missouri Poverty by Race

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15.73%

Overall Poverty Rate

15.36%

Male Poverty Rate

16.09%

Female Poverty Rate

Poverty in Polk County, Missouri

The race most likely to be in poverty in Polk County, Missouri is Native, with 33.41% below the poverty level.

The race least likely to be in poverty in Polk County, Missouri is Hispanic, with 2.92% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.17%. Among those working part-time, it was 17.61%, and for those that did not work, the poverty rate was 23.91%.

Polk County, Missouri Poverty

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Polk County, Missouri Poverty Rate by Education

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Polk County, Missouri Poverty Rate by Employment Status and Sex

Polk County, Missouri Income by Household Type

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Income by Household Type

Polk County, Missouri Marital Status

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Marriage Rates

49.9%

Overall Marriage Rate

51.3%

Male Marriage Rate

48.6%

Female Marriage Rate

Polk County, Missouri Married by Age and Sex

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Polk County, Missouri Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Polk County, Missouri Marital Status by Race

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Polk County, Missouri Marital Status

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1,940

Number of Veterans

Male Veterans

Female Veterans

Polk County, Missouri Veterans by War

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Polk County, Missouri Veterans by Age

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Polk County, Missouri Veterans by Race

Polk County, Missouri Veterans by Education

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6.39%

Veteran Poverty Rate

33.94%

Veteran Disability Rate

Polk County, Missouri Veterans by Education

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58.2%

Labor Force Participation

56.6%

Employment Rate

2.5%

Unemployment Rate

Polk County, Missouri Employment by Age

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Polk County, Missouri Employment by Race

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Polk County, Missouri Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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67.66%

Born in Polk County, Missouri

98.89%

Native Born

1.11%

Foreign Born

0.36%

Non Citizen

0.74%

Naturalized

Place of Birth

98.89% of Polk County, Missouri residents were born in the United States, with 67.66% having been born in Missouri. 0.36% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Polk County, Missouri Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources