What city is ZIP code 51234?

51234 is a Boyden, Iowa ZIP code.

What county is 51234 in?

ZIP code 51234 is in Sioux County, Iowa.

What time zone is ZIP code 51234 in?

51234 is in the Central Time zone (America/Chicago).

What area code is 51234?

Phone numbers in ZIP code 51234 use area code 712.

What is the population of ZIP code 51234?

About 1,172 people live in ZIP code 51234, according to the Census Bureau’s American Community Survey (2020–2024).

What is the median income in 51234?

The median household income in 51234 is $84,318 a year, higher than 71% of Iowa ZIP codes.

What ZIP codes are near 51234?

The nearest ZIP codes to 51234 are 51244 (Matlock, 3.7 miles), 51201 (Sheldon, 7.3 miles), 51239 (Hull, 7.9 miles) and 51238 (Hospers, 9.2 miles).

ZIP code 51234

Where is ZIP code 51234?

Boyden, Iowa

Sioux County · Standard ZIP code

ZIP code 51234 belongs to Boyden, Iowa in Sioux County. 51234 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area code 712. About 1,172 people live in the 51234 area, where the median household income is $84,318. The closest ZIP codes are 51244 (Matlock, 3.7 mi northeast), 51201 (Sheldon, 7.3 mi east) and 51239 (Hull, 7.9 mi west).

ZIP code	51234
Type	Standard ZIP code for street addresses and PO Boxes
Status	Active
City	Boyden
State	Iowa (IA)
County	Sioux County
Time zone	Central Time · now
Area code	712
Coordinates	43.2034, -95.9823 map
3-digit prefix	512

Population and income in 51234

Population	1,172 · higher than 57% of Iowa ZIP codes
People per square mile	24 · higher than 54% of Iowa ZIP codes
Median age	32.3 years · lower than 93% of Iowa ZIP codes
Men / women	56% / 44%
Median household income	$84,318 · higher than 71% of Iowa ZIP codes
Income per person	$34,801
Below the poverty line	9.8%
Bachelor’s degree or higher	28% of adults 25+
Median home value	$211,800 · higher than 75% of Iowa ZIP codes
Median rent	$762 a month
Housing units	414
Households	412 (2.84 people on average)
Owners / renters	91% / 9.5%
Land area	49.8 sq mi

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 51234. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 51234

ZIP code	City	Distance	Type
51244	Matlock, IA	3.7 mi NE	Standard
51201	Sheldon, IA	7.3 mi E	Standard
51239	Hull, IA	7.9 mi W	Standard
51238	Hospers, IA	9.2 mi S	Standard
51237	George, IA	9.7 mi N	Standard
51235	Doon, IA	12.5 mi NW	Standard
51232	Ashton, IA	13 mi NE	Standard
51250	Sioux Center, IA	13.1 mi SW	Standard
51041	Orange City, IA	13.3 mi S	Standard
51231	Archer, IA	13.5 mi SE	Standard
51003	Alton, IA	15.7 mi S	Standard
51248	Sanborn, IA	16.2 mi E	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 51234 or measure the distance to another ZIP code.

How to address mail to 51234

JANE SMITH
123 MAIN ST
BOYDEN IA 51234

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (51234-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 51234?: 51234 is a Boyden, Iowa ZIP code.
What county is 51234 in?: ZIP code 51234 is in Sioux County, Iowa.
What time zone is ZIP code 51234 in?: 51234 is in the Central Time zone (America/Chicago).
What area code is 51234?: Phone numbers in ZIP code 51234 use area code 712.
What is the population of ZIP code 51234?: About 1,172 people live in ZIP code 51234, according to the Census Bureau’s American Community Survey (2020–2024).
What is the median income in 51234?: The median household income in 51234 is $84,318 a year, higher than 71% of Iowa ZIP codes.
What ZIP codes are near 51234?: The nearest ZIP codes to 51234 are 51244 (Matlock, 3.7 miles), 51201 (Sheldon, 7.3 miles), 51239 (Hull, 7.9 miles) and 51238 (Hospers, 9.2 miles).