South Prairie, Washington Population 2021

441
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South Prairie is a city located in Washington. With a 2020 population of 441, it is the 245th largest city in Washington and the 13855th largest city in the United States. South Prairie is currently declining at a rate of -0.23% annually but its population has increased by 1.61% since the most recent census, which recorded a population of 434 in 2010. South Prairie reached it's highest population of 444 in 2018. Spanning over 0 miles, South Prairie has a population density of 1,151 people per square mile.

The average household income in South Prairie is $89,864 with a poverty rate of 14.20%. The median rental costs in recent years comes to $1,250 per month, and the median house value is $244,700. The median age in South Prairie is 49.7 years, 53 years for males, and 41 years for females. For every 100 females there are 101.9 males.

South Prairie Demographics

According to the most recent ACS, the racial composition of South Prairie was:

  • White: 89.85%
  • Two or more races: 8.92%
  • Asian: 1.23%
  • Black or African American: 0.00%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of South Prairie, Washington is 441, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 444.The last official US Census in 2010 recorded the population at 434.

South Prairie, Washington Population 2021

Population by Race

Race Population Percentage
White29289.85%
Two or More Races298.92%
Asian41.23%
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South Prairie Population by Race

South Prairie Population Pyramid 2021

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South Prairie Median Age

49.7


Total

53


Male

41


Female

South Prairie Adults

There are 260 adults, (50 of whom are seniors) in South Prairie.

South Prairie Age Dependency

54.8

Age Dependency Ratio

23.8

Old Age Dependency Ratio

31

Child Dependency Ratio

South Prairie Sex Ratio

Female

161

49.54%

Male

164

50.46%

South Prairie Population by Age

South Prairie Renter vs Owner Occupied by Household Type

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South Prairie Household Types

Type Owner Renter
Female100%0%
Male100%0%
Married93.7%6.3%
All87.3%12.7%
Non Family76%24%

87.3%

Rate of Home Ownership

South Prairie Households and Families

Type Count Average Size Owned
All1262.5887.3
Married633.2193.7
Non Family501.4276
Female93.56100
Male45100

3.18

Average Family Size

2.58

Average Household Size

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South Prairie Households by Type

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Education Attained Count Percentage
Less Than 9th Grade31.24%
9th to 12th Grade249.92%
High School Graduate11045.45%
Some College6326.03%
Associates Degree187.44%
Bachelors Degree239.50%
Graduate Degree10.41%
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South Prairie Educational Attainment by Sex (over 25)

South Prairie Educational Attainment by Race

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Name Total High School Bachelors
White21219520
Multiple Races1811
Hispanic85
Asian444

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

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

South Prairie Educational Attainment by Race

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Name Average Male Female
Overall$49,821$60,972$32,500
Less Than High School$48,750$49,167$
High School Grad$46,875$51,429$32,500
Some College$56,667$73,438$
Bachelors Degree$$$55,417
Graduate Degree$$$

$49,821

Average Earnings

$60,972

Average Male

$32,500

Average Female

South Prairie Earnings by Educational Attainment

South Prairie Language by Age

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South Prairie Language

93.25% of South Prairie residents speak only English, while 6.75% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.47% of the population.

South Prairie Language

South Prairie Poverty by Race

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Name Total In Poverty Poverty Rate
White261249.20%
Multiple292172.41%

14.20%

Overall Poverty Rate

9.38%

Male Poverty Rate

19.11%

Female Poverty Rate

Poverty in South Prairie

The race most likely to be in poverty in South Prairie is Multiple, with 72.41% below the poverty level.

The race least likely to be in poverty in South Prairie is White, with 9.20% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 19.61%, and for those that did not work, the poverty rate was 18.00%.

South Prairie Poverty

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Name Poverty
Less Than High School25.93%
Some College16.05%
High School4.55%
Bachelors or Greater0.00%

South Prairie Poverty Rate by Education

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Name Poverty
Female Unemployed100.00%
Female Employed9.59%
Male Employed3.45%
Male Unemployed0.00%

South Prairie Poverty Rate by Employment Status and Sex

South Prairie Income by Household Type

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Name Median Mean
Households$85,313$89,864
Families$91,667$92,772
Married Families$99,750-
Non Families$57,000$84,510
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Income by Household Type

South Prairie Marital Status

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Marriage Rates

47.2%

Overall Marriage Rate

45.4%

Male Marriage Rate

49.2%

Female Marriage Rate

South Prairie Married by Age and Sex

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South Prairie Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

South Prairie Marital Status by Race

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South Prairie Marital Status

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49

Number of Veterans

49

Male Veterans

Female Veterans

War Veterans
Second Gulf War9
Korea8
Vietnam8
World War II
First Gulf War

South Prairie Veterans by War

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Age Group Veterans
55 to 6422
65 to 7412
75+10
35 to 545
18 to 34

South Prairie Veterans by Age

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Name Veterans % of Total
White4720.00%
Asian250.00%

South Prairie Veterans by Race

South Prairie Veterans by Education

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0.00%

Veteran Poverty Rate

16.33%

Veteran Disability Rate

South Prairie Veterans by Education

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62.3%

Labor Force Participation

59.7%

Employment Rate

4.2%

Unemployment Rate

South Prairie Employment by Age

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South Prairie Employment by Race

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South Prairie 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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56.92%

Born in Washington

96.31%

Native Born

3.69%

Foreign Born

2.15%

Non Citizen

1.54%

Naturalized

Place of Birth

96.31% of South Prairie residents were born in the United States, with 56.92% having been born in Washington. 2.15% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

South Prairie Place of Birth

Year Population Growth Annual Growth Rate
2021441-1-0.23%
2020442-1-0.23%
2019443-1-0.23%
201844410.23%
201744340.91%
201643951.15%
201543420.46%
201443220.47%
20134300.00%
201243010.23%
201142930.70%
20104260.00%

South Prairie Population by Year