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ZipNumbers

Perkins County · South Dakota

ZIP code 57638

Population, income, housing costs and the sales tax rate charged on purchases inside ZIP 57638 — Census 2019-2023 ACS 5-year, no modelled estimates.
Population
1,963

ZCTA residents

Median income
$58,672

Household, past 12 months

Median home
$90,500

Owner-occupied value

Sales tax
4.2%

South Dakota state rate

Quick answer

ZIP 57638 sits in Perkins County, South Dakota and is home to 1,963 people. Median household income is $58,672, the median home is worth $90,500 and median gross rent is $625. 83.2% of households own their home, and purchases are taxed at 4.2% (South Dakota state rate).

County
Perkins County

FIPS 46105

State
South Dakota (SD)

375 ZIPs covered

Area codes
Not published

No NANPA match for this ZIP

Metro area
Outside covered metros

Rate jurisdiction used for tax

The numbers for 57638

American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.

Population
1,963ZIP 57638 residents
Median household income
$58,672Past 12 months, inflation adjusted
Median home value
$90,500Owner-occupied units
Median gross rent
$625Rent plus utilities, monthly
Median age
46.5 yrsAll residents
Homeownership rate
83.2%Owner-occupied households

Sales tax in 57638

What a purchase inside this ZIP costs at checkout.

Rate applied
4.2%State base rate only
Tax on $100
$4Rounded to the dollar
Tax on $1,000
$42Before any exemptions

South Dakota levies 4.2% statewide, and counties, cities and special districts inside this ZIP can add their own local rate on top. Check the county page for the local component before you quote a price.

Affordability in this ZIP

Derived from the Census medians above — indicative, not an offer.

Rent burden
13%Median rent ÷ median income
Price-to-income
1.5×Home value ÷ household income
Est. mortgage
$470/mo20% down, 30-yr at 6.75%
Poverty rate
16.3%Residents below poverty line

A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.

How 57638 compares

ZIP 57638 against the median ZIP in Perkins County and across South Dakota.

MeasureZIP 57638County medianState medianvs state
Median household income$58,672$63,750$71,607-18%
Median home value$90,500$92,100$162,500-44%
Median gross rent$625$625$740-16%
Population1,963432605+224%

Medians are computed across the 6 ZIP areas in Perkins County and the 375 ZIP areas in South Dakota.

Statewide rank

Where this ZIP places among all 375 South Dakota ZIP areas.

Income

richer than 24% of 347 state ZIPs

#263
Home value

above 16% of 317 state ZIPs

#267
Population

larger than 81% of 375 state ZIPs

#71

Comparable ZIP codes

South Dakota ZIP areas with almost the same household income.

ZIPCountyIncomeHome valueRent
57706Meade County$58,810$1,657
57528Tripp County$58,450$81,500$748
57576Lyman County$58,917$167,500
57225Clark County$58,352$144,200$713
57217Clark County$59,063$102,900
57104Minnehaha County$59,161$183,700$849

Nearby ZIP codes

Other ZIP codes filed under Perkins County.

ZIP 57638 questions

Common questions about this ZIP code.

Where is ZIP code 57638?
ZIP 57638 lies mostly in Perkins County, South Dakota. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
What sales tax do I pay in 57638?
South Dakota charges 4.2% statewide, plus any county, city or district rate that applies locally.
Is 57638 expensive to live in?
Median rent runs $625 a month, about 13% of median household income, and the median home is worth $90,500-44% against the typical South Dakota ZIP.
Is a ZCTA the same as a postal ZIP code?
Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.

Related pages for this area.

Sources & transparency

Every figure on this page is a published estimate for ZIP Code Tabulation Area 57638, except the affordability ratios and mortgage estimate, which we derive from those medians and label as estimates.

Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.