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ZipNumbers

Custer County · South Dakota

ZIP code 57773

Population, income, housing costs and the sales tax rate charged on purchases inside ZIP 57773 — Census 2019-2023 ACS 5-year, no modelled estimates.
Population
198

ZCTA residents

Median income
$43,929

Household, past 12 months

Median home
$9,999

Owner-occupied value

Sales tax
4.2%

South Dakota state rate

Quick answer

ZIP 57773 sits in Custer County, South Dakota and is home to 198 people. Median household income is $43,929, the median home is worth $9,999 and median gross rent is . 93.2% of households own their home, and purchases are taxed at 4.2% (South Dakota state rate).

County
Custer County

FIPS 46033

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 57773

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

Population
198ZIP 57773 residents
Median household income
$43,929Past 12 months, inflation adjusted
Median home value
$9,999Owner-occupied units
Median gross rent
Rent plus utilities, monthly
Median age
44 yrsAll residents
Homeownership rate
93.2%Owner-occupied households

Sales tax in 57773

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
Median rent ÷ median income
Price-to-income
0.2×Home value ÷ household income
Est. mortgage
$52/mo20% down, 30-yr at 6.75%
Poverty rate
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 57773 compares

ZIP 57773 against the median ZIP in Custer County and across South Dakota.

MeasureZIP 57773County medianState medianvs state
Median household income$43,929$65,331$71,607-39%
Median home value$9,999$337,550$162,500-94%
Median gross rent$1,272$740
Population1981,289605-67%

Medians are computed across the 4 ZIP areas in Custer 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 9% of 347 state ZIPs

#316
Home value

above 0% of 317 state ZIPs

#317
Population

larger than 20% of 375 state ZIPs

#301

Comparable ZIP codes

South Dakota ZIP areas with almost the same household income.

ZIPCountyIncomeHome valueRent
57258Clark County$43,750$80,000
57570Todd County$44,457$45,000$558
57257Roberts County$43,182$57,600$571
57585Mellette County$44,688$103,800$692
57261Day County$43,125$114,300$558
57732Lawrence County$44,750$279,300$725

Nearby ZIP codes

Other ZIP codes filed under Custer County.

ZIP 57773 questions

Common questions about this ZIP code.

Where is ZIP code 57773?
ZIP 57773 lies mostly in Custer 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 57773?
South Dakota charges 4.2% statewide, plus any county, city or district rate that applies locally.
Is 57773 expensive to live in?
Median rent runs a month, and the median home is worth $9,999-94% 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 57773, 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.