What city is ZIP code 57061?

57061 is a Sinai, South Dakota ZIP code.

What county is 57061 in?

ZIP code 57061 is in Brookings County, South Dakota.

What time zone is ZIP code 57061 in?

57061 is in the Central Time zone (America/Chicago).

What area code is 57061?

Phone numbers in ZIP code 57061 use area code 605.

What is the population of ZIP code 57061?

About 215 people live in ZIP code 57061, according to the Census Bureau’s American Community Survey (2020–2024).

What is the median income in 57061?

The median household income in 57061 is $56,875 a year, lower than 84% of South Dakota ZIP codes.

Can I use 57061 for a street address?

No. 57061 is only for PO Boxes. Street addresses in Sinai use another ZIP code.

What ZIP codes are near 57061?

The nearest ZIP codes to 57061 are 57050 (Nunda, 6.8 miles), 57071 (Volga, 7.9 miles), 57212 (Arlington, 8.6 miles) and 57051 (Oldham, 11.3 miles).

ZIP code 57061

Where is ZIP code 57061?

Sinai, South Dakota

Brookings County · PO Box only ZIP code

ZIP code 57061 belongs to Sinai, South Dakota in Brookings County. 57061 is a PO Box only ZIP code: it is used for post office boxes at the Sinai post office, not for street addresses. It is in the Central Time zone and uses area code 605. About 215 people live in the 57061 area, where the median household income is $56,875. The closest ZIP codes are 57050 (Nunda, 6.8 mi south), 57071 (Volga, 7.9 mi northeast) and 57212 (Arlington, 8.6 mi north).

ZIP code	57061
Type	PO Box only (no street delivery)
Status	Active
City	Sinai
State	South Dakota (SD)
County	Brookings County
Time zone	Central Time · now
Area code	605
Coordinates	44.2444, -97.0409 map
3-digit prefix	570

Population and income in 57061

Population	215 · lower than 80% of South Dakota ZIP codes
People per square mile	584 · higher than 97% of South Dakota ZIP codes
Median age	24.9 years · lower than 92% of South Dakota ZIP codes
Men / women	54% / 47%
Median household income	$56,875 · lower than 84% of South Dakota ZIP codes
Income per person	$26,507
Below the poverty line	1.9%
Bachelor’s degree or higher	23% of adults 25+
Median home value	$89,300 · lower than 85% of South Dakota ZIP codes
Housing units	81
Households	75 (2.87 people on average)
Owners / renters	67% / 33%
Land area	0.37 sq mi

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 57061. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 57061

ZIP code	City	Distance	Type
57050	Nunda, SD	6.8 mi S	Standard
57071	Volga, SD	7.9 mi NE	Standard
57212	Arlington, SD	8.6 mi N	Standard
57051	Oldham, SD	11.3 mi W	Standard
57054	Ramona, SD	12.8 mi SW	Standard
57057	Rutland, SD	12.9 mi S	Standard
57006	Brookings, SD	13 mi E	Standard
57007	Brookings, SD	15.1 mi NE	Unique
57220	Bruce, SD	16.7 mi NE	Standard
57002	Aurora, SD	16.9 mi E	Standard
57042	Madison, SD	16.9 mi S	Standard
57075	Wentworth, SD	18.3 mi S	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 57061 or measure the distance to another ZIP code.

How to address mail to 57061

JANE SMITH
PO BOX 123
SINAI SD 57061

Put the city, the two-letter state code and the ZIP code on the last line. Avoid Lake Sinai: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (57061-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 57061?: 57061 is a Sinai, South Dakota ZIP code.
What county is 57061 in?: ZIP code 57061 is in Brookings County, South Dakota.
What time zone is ZIP code 57061 in?: 57061 is in the Central Time zone (America/Chicago).
What area code is 57061?: Phone numbers in ZIP code 57061 use area code 605.
What is the population of ZIP code 57061?: About 215 people live in ZIP code 57061, according to the Census Bureau’s American Community Survey (2020–2024).
What is the median income in 57061?: The median household income in 57061 is $56,875 a year, lower than 84% of South Dakota ZIP codes.
Can I use 57061 for a street address?: No. 57061 is only for PO Boxes. Street addresses in Sinai use another ZIP code.
What ZIP codes are near 57061?: The nearest ZIP codes to 57061 are 57050 (Nunda, 6.8 miles), 57071 (Volga, 7.9 miles), 57212 (Arlington, 8.6 miles) and 57051 (Oldham, 11.3 miles).