57031 ZIP Code, Gayville, SD

57031 is a ZIP code in Gayville, South Dakota — mostly in Yankton County (77% of its land), with smaller parts in Clay County. It covers 39 square miles of land. The closest ZIP codes are 68774, 57072 and 57046. 784 people live here in 394 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (88%). Median household income is $64,794, below the South Dakota median of $75,081.

Quick facts

Key figures

MeasureValue
Residents784
Households394
Median household income$64,794
Income per person$42,104
Median age42.6
Homeowners88.1%
Median home value$137,100
Median rent$602
Bachelor's degree or higher13.9%
Average commute (minutes)19.1
Households with kids under 1817.5%
Moved in the past year1.0%
Below the poverty line5.4%
Broadband internet83.5%
Speak a non-English language at home1.5%

Household income

% of householdsValue
<$10K1.5%
$10–15K3.6%
$15–25K2.5%
$25–35K4.6%
$35–50K10.7%
$50–75K35.8%
$75–100K19.3%
$100–150K13.5%
$150–200K6.1%
$200K+2.5%

Age

% of all residentsValue
<1010.2%
10–1913.1%
20–240.8%
25–3410.7%
35–4422.7%
45–547.1%
55–6420.4%
65–7410.3%
75+4.6%

Tenure

% of housing unitsValue
Owned, with mortgage59.0%
Owned outright22.0%
Rented10.9%
Vacant8.1%

Type of building

% of housing unitsValue
Detached house90.7%
Townhome0.0%
2–4 units5.1%
5–19 units2.6%
20+ units0.0%
Mobile / other1.6%

Businesses in 57031

8 business establishments with 41 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 57031 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 57031

Mail every home in 57031

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 57031, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 57031 in?
57031 is a Gayville, SD mailing address. None of its land lies inside a Census-defined city or community.
What county is 57031 in?
57031 is mostly in Yankton County (77% of its land), with smaller parts in Clay County.
What is the population of 57031?
About 784 people (±149), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 621.
What is the median household income in 57031?
$64,794 (±$18,795), compared with $75,081 for South Dakota as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 57031?
EDDM2GO's stored route library does not include 57031 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 57031?
The closest, measured center to center: 68774 (6.3 mi, St. Helena), 57072 (7.9 mi, Volin), 57046 (8.3 mi, Mission Hill), 57069 (10.3 mi, Vermillion), 68792 (11.1 mi, Wynot) and 57073 (11.2 mi, Wakonda).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.