57421 Zip Code (SD) Detailed Profile

Estimated zip code population in 2022: 55
Zip code population in 2010: 88
Zip code population in 2000: 106

March 2022 cost of living index in zip code 57421: 76.3 (low, U.S. average is 100)

Land area: 39.5 sq. mi.
Water area: 0.1 sq. mi.

Population density: 1 people per square mile

(very low).

For population 25 years and over in 57421:

• High school or higher: 102.4%
• Bachelor's degree or higher: 91.4%
• Graduate or professional degree: 51.7%

For population 15 years and over in 57421:

• Never married: 0.0%
• Now married: 100.0%
• Separated: 0.0%
• Widowed: 0.0%
• Divorced: 0.0%

100% rural population.

Averages for the 2004 tax year for zip code 57421, filed in 2005:

Average Adjusted Gross Income (AGI) in 2004: $38,975 (Individual Income Tax Returns)

Here:	$38,975
State:	$41,242

Salary/wage: $20,121 (reported on 82.5% of returns)

Here:	$20,121
State:	$32,969

Taxable interest for individuals: $312 (reported on 40.0% of returns)

This zip code:	$312
South Dakota:	$2,098

Total tax: $3,875 (reported on 80.0% of returns)

57421:	$3,875
State:	$6,372

Percentage of individuals using paid preparers for their 2004 taxes: 75.0%

Here:	75%
State:	63%

Nearest zip codes: 57432, 57454, 57430, 57449, 57446, 58017.
No gay or lesbian households reported

Household received Food Stamps/SNAP in the past 12 months: 0
Household did not receive Food Stamps/SNAP in the past 12 months: 10

Women who did not have a birth in the past 12 months: 7 (8 now married, 0 unmarried)

Housing units in zip code 57421 with a mortgage: 8

• Zip code 57421 household income distribution in 2022

• 1$75,000 to $99,999
• 8$125,000 to $149,999

• Estimate of home value of owner-occupied houses/condos in 2022 in zip code 57421

• 6$175,000 to $199,999
• 1$200,000 to $249,999

Estimated median house (or condo) value in 2022 for:

• White Non-Hispanic householders: $209,600

Mean price in 2022:

Detached houses: $559,017

Here:	$559,017
State:	$303,134

Housing units in structures:

• One, detached: 10

Percentage of zip code residents living and working in this county: 100.0%

Household type by relationship:

Households: 55

• Male householders: 2 (0 living alone), Female householders: 8 (0 living alone)

• 10 spouses (10 opposite-sex spouses), 0 unmarried partners, (0 opposite-sex unmarried partners), 34 children (33 natural, 0 adopted, 0 stepchildren), 0 grandchildren, 0 brothers or sisters, 0 parents, 0 foster children, 0 other relatives, 0 non-relatives

Size of family households: 2 2-persons, 7 5-persons

34 married couples with children.
0 single-parent households ().

98.2% of residents of 57421 zip code speak English at home.

Population in 1990: 227.

Place of birth for U.S.-born residents:

• This state: 17
• Midwest: 16
• West: 23

65% of the 57421 zip code residents lived in the same house 5 years ago.
   Out of people who lived in different houses, 60% lived in this county.
   Out of people who lived in different counties, 50% lived in South Dakota.

100% of the 57421 zip code residents lived in the same house 1 year ago.

Private vs. public school enrollment:

Students in private schools in grades 1 to 8 (elementary and middle school):

Top industries in this zip code by the number of employees in 2005: