57551 ZIP Code, Martin, SD

57551 is a ZIP code in Martin, South Dakota in Bennett County. It covers 753 square miles of land. The closest ZIP codes are 57714, 57574 and 57577. 2,084 people live here in 666 households. It is rural, with fewer than 100 people per square mile, and owners and renters are mixed (65% own). Median household income is $70,096, close to the South Dakota median of $75,081.

Quick facts

Key figures

MeasureValue
Residents2,084
Households666
Median household income$70,096
Income per person$25,744
Median age36
Homeowners64.9%
Median home value$161,900
Median rent$613
Bachelor's degree or higher25.6%
Average commute (minutes)12.5
Households with kids under 1839.5%
Moved in the past year2.6%
Below the poverty line20.5%
Broadband internet76.0%
Speak a non-English language at home6.1%

Household income

% of householdsValue
<$10K12.3%
$10–15K4.4%
$15–25K5.7%
$25–35K6.2%
$35–50K11.0%
$50–75K20.7%
$75–100K14.0%
$100–150K20.9%
$150–200K3.3%
$200K+1.7%

Age

% of all residentsValue
<1015.3%
10–1920.3%
20–247.2%
25–347.0%
35–4413.8%
45–547.6%
55–6410.4%
65–7410.4%
75+8.0%

Tenure

% of housing unitsValue
Owned, with mortgage15.0%
Owned outright36.9%
Rented28.1%
Vacant20.0%

Type of building

% of housing unitsValue
Detached house81.9%
Townhome0.2%
2–4 units4.9%
5–19 units3.8%
20+ units0.0%
Mobile / other9.1%

Businesses in 57551

56 business establishments with 483 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 57551 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 57551

Mail every home in 57551

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) 57551, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 57551 in?
57551 is a Martin, SD mailing address. None of its land lies inside a Census-defined city or community.
What county is 57551 in?
57551 is in Bennett County.
What is the population of 57551?
About 2,084 people (±307), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 2,232.
What is the median household income in 57551?
$70,096 (±$16,798), 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 57551?
EDDM2GO's stored route library does not include 57551 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 57551?
The closest, measured center to center: 57714 (14.1 mi, Allen), 57574 (16.9 mi) and 57577 (23.1 mi, Wanblee).

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