Postal Codes

57020 ZIP Code

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ZIP code 57020 covers Crooks, South Dakota, with a population of about 1,553 and a median household income of $104,375.

Population
1,55387 per square mile
Median age
41.73 points above the US average
Median household income
$104,3751.4× the South Dakota median
Poverty rate
0.2%12.2 points below the US average
Typical home value
$374,572
Median rent
$1,1331.2× the South Dakota median
Degree or higher
37%2 points above the US average
Homeownership
89.3%24.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
33

Where 57020 is

Crooks, South Dakota — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,553
Median age41.7
Family households75.4%
Born outside the US0.4%
Speaks a language other than English at home0.3%
White (non-Hispanic)95.3%
Black (non-Hispanic)0.5%
Asian (non-Hispanic)0.4%
Hispanic or Latino0%
Veterans5.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$104,375
Income per person$60,364
Poverty rate0.2%
Households on SNAP or cash assistance1%

Household income distribution

Under $10k0.0%
$10–15k0.5%
$15–20k0.0%
$20–25k1.5%
$25–30k1.2%
$30–35k4.0%
$35–40k0.7%
$40–45k3.8%
$45–50k0.5%
$50–60k9.1%
$60–75k12.4%
$75–100k13.7%
$100–125k11.7%
$125–150k13.6%
$150–200k16.0%
$200k or more11.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed830
Mean adjusted gross income$94,757
Returns declaring $200,000 or more7.2%
Returns, under $25k20.5%
Returns, $25k–$50k15.7%
Returns, $50k–$75k14.5%
Returns, $75k–$100k12.0%
Returns, $100k–$200k30.1%
Returns, $200k or more7.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$285,600
Median gross rent$1,133
Rent as a share of household income20.8%
Owner-occupied89.3%
Vacant homes0%
Median year built1991

What the homes are

Detached house97.3%
Attached house0.7%
2 to 4 units2.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$374,572as of 2026-07
Typical home value, 1 yearup 3%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.5%
Bachelor's degree or higher37%
High school diploma or higher94.6%
Works from home10.4%
Drives to work alone83.1%
Takes public transport0%
Commutes 45 minutes or more7.2%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity36.3% 2.9 pts above the national average of 33.4%
Diagnosed diabetes9.8% 2.2 pts below the national average of 12%
Currently smokes13.4% same as the national average of 13.2%
High blood pressure30.8% 3.3 pts below the national average of 34.1%
Fair or poor general health13.5% 6.8 pts below the national average of 20.3%
No health insurance (18–64)7% 4.3 pts below the national average of 11.3%
Depression22.3% same as the national average of 21.9%
No leisure-time physical activity20.4% 5 pts below the national average of 25.4%
Arthritis23.2% 1.9 pts below the national average of 25.1%
Binge drinking21.1% 5.1 pts above the national average of 16%
Taking blood pressure medication73.1% 1.6 pts below the national average of 74.7%
Cancer (non-skin)8.5% 0.8 pts above the national average of 7.7%
Current asthma9.6% 0.8 pts below the national average of 10.4%
Coronary heart disease5.1% 1.1 pts below the national average of 6.2%
Routine check-up in past year77% same as the national average of 76.7%
Cholesterol screening87.4% 1.5 pts above the national average of 85.9%
Cognitive disability11.6% 3.2 pts below the national average of 14.8%
Colorectal screening68.3% 4 pts above the national average of 64.3%
COPD5% 1.6 pts below the national average of 6.6%
Visited a dentist70.6% 9.3 pts above the national average of 61.3%
Any disability24.4% 6.3 pts below the national average of 30.7%
Hearing disability6.1% 0.6 pts below the national average of 6.7%
High cholesterol34% 2.2 pts below the national average of 36.2%
Independent living disability5.8% 2.6 pts below the national average of 8.4%
Mammography use78.3% 2.4 pts above the national average of 75.9%
Poor mental health (14+ days)14.8% 2 pts below the national average of 16.8%
Mobility disability9.6% 4.4 pts below the national average of 14%
Poor physical health (14+ days)10.3% 3.2 pts below the national average of 13.5%
Self-care disability2.5% 1.5 pts below the national average of 4%
Sleeps under 7 hours29.4% 7 pts below the national average of 36.4%
Stroke2.5% 0.9 pts below the national average of 3.4%
All natural teeth lost8.9% 4.1 pts below the national average of 13%
Vision disability3.1% 2.5 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments33
People employed107
Annual payroll$3,130,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 58.6% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 2 census tracts this ZIP code covers
Expected annual loss80.6 out of 100
Community resilience79.8 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought95.3Relatively Moderate at its worst in this ZIP code
Ice storm94.1Relatively High at its worst in this ZIP code
Tornado93.4Very High at its worst in this ZIP code
Hail90.4Relatively High at its worst in this ZIP code
Winter weather90.4Relatively High at its worst in this ZIP code
Cold wave82.8Relatively High at its worst in this ZIP code
Wildfire82.4Relatively Low at its worst in this ZIP code
Landslide82.2Relatively Low at its worst in this ZIP code
Strong wind70.9Relatively Moderate at its worst in this ZIP code
Heat wave48.4Relatively Moderate at its worst in this ZIP code
River flooding48.1Relatively Moderate at its worst in this ZIP code
Lightning25.6Relatively Low at its worst in this ZIP code
Earthquake10.7Very Low at its worst in this ZIP code
Compared with South Dakota and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPSouth DakotaUnited States
Median household income$104,375$72,421$78,538
Income per person$60,364$38,880$43,289
Poverty rate0.2%12%12.4%
Median home value$285,600$236,800$303,400
Median gross rent$1,133$912$1,348
Homeownership89.3%68.6%65%
Bachelor's degree or higher37%31.1%35%
Unemployment rate1.5%3%5.2%
Works from home10.4%9.3%13.5%
Born outside the US0.4%3.9%13.9%
Median age41.737.738.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSIOUX FALLS WFO AP, SD US11.5 km away
Rain in a year28 in

Average high and low by month

January25.3°F / 7.4°F0.66 in rain
February30°F / 11.4°F0.8 in rain
March43.3°F / 23.4°F1.47 in rain
April57°F / 35.5°F3.03 in rain
May69.9°F / 48.5°F3.74 in rain
June80.4°F / 59.3°F4.59 in rain
July84.8°F / 63.7°F3.31 in rain
August81.7°F / 61.2°F3.34 in rain
September74.8°F / 51.7°F3.04 in rain
October60.6°F / 37.8°F2.29 in rain
November43.6°F / 24.2°F1.19 in rain
December30.4°F / 12.5°F0.84 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Tri-Valley School District 49-699.8% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability17more vulnerable than 17% of US census tracts
Socioeconomic status9more vulnerable than 9% of US census tracts
Household characteristics29more vulnerable than 29% of US census tracts
Racial and ethnic minority status13more vulnerable than 13% of US census tracts
Housing type and transport46more vulnerable than 46% of US census tracts
Walkability4.7 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

57109 Sioux Falls, SD2.6 km away
57117 Sioux Falls, SD2.6 km away
57118 Sioux Falls, SD2.6 km away
57193 Sioux Falls, SD2.6 km away
57197 Sioux Falls, SD2.6 km away
57198 Sioux Falls, SD2.6 km away
57041 Lyons, SD7.9 km away
57003 Baltic, SD8.9 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Minnehaha County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area17.84 sq mi
Population density87 people per sq mi
Latitude, longitude43.6669, -96.8221

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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