What city is ZIP code 51056?

51056 is a Smithland, Iowa ZIP code.

What county is 51056 in?

ZIP code 51056 is in Woodbury County, Iowa.

What time zone is ZIP code 51056 in?

51056 is in the Central Time zone (America/Chicago).

What area code is 51056?

Phone numbers in ZIP code 51056 use area code 712.

What is the population of ZIP code 51056?

About 346 people live in ZIP code 51056, according to the Census Bureau’s American Community Survey (2020–2024).

What is the median income in 51056?

The median household income in 51056 is $103,313 a year, higher than 91% of Iowa ZIP codes.

What ZIP codes are near 51056?

The nearest ZIP codes to 51056 are 51051 (Rodney, 3.3 miles), 51044 (Oto, 4.7 miles), 51026 (Hornick, 7.5 miles) and 51034 (Mapleton, 9.9 miles).

ZIP code 51056

Where is ZIP code 51056?

Smithland, Iowa

Woodbury County · Standard ZIP code

ZIP code 51056 belongs to Smithland, Iowa in Woodbury County. 51056 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 346 people live in the 51056 area, where the median household income is $103,313. The closest ZIP codes are 51051 (Rodney, 3.3 mi southwest), 51044 (Oto, 4.7 mi east) and 51026 (Hornick, 7.5 mi northwest).

ZIP code	51056
Type	Standard ZIP code for street addresses and PO Boxes
Status	Active
City	Smithland
State	Iowa (IA)
County	Woodbury County
Time zone	Central Time · now
Area code	712
Coordinates	42.2408, -95.9486 map
3-digit prefix	510

Population and income in 51056

Population	346 · lower than 80% of Iowa ZIP codes
People per square mile	10 · lower than 83% of Iowa ZIP codes
Median age	54.7 years · higher than 89% of Iowa ZIP codes
Men / women	49% / 51%
Median household income	$103,313 · higher than 91% of Iowa ZIP codes
Income per person	$49,630
Below the poverty line	12%
Bachelor’s degree or higher	22% of adults 25+
Median home value	$157,400 · lower than 53% of Iowa ZIP codes
Median rent	$658 a month
Housing units	190
Households	173 (2 people on average)
Owners / renters	93% / 7.5%
Land area	33.59 sq mi (plus 0.12 sq mi of water)

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 51056. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 51056

ZIP code	City	Distance	Type
51051	Rodney, IA	3.3 mi SW	Standard
51044	Oto, IA	4.7 mi E	Standard
51026	Hornick, IA	7.5 mi NW	Standard
51034	Mapleton, IA	9.9 mi SE	Standard
51015	Climbing Hill, IA	10.1 mi NW	Standard
51004	Anthon, IA	10.5 mi N	Standard
51019	Danbury, IA	11.5 mi E	Standard
51010	Castana, IA	11.7 mi S	Standard
51063	Whiting, IA	13.4 mi SW	Standard
51055	Sloan, IA	14.4 mi W	Standard
51040	Onawa, IA	16.3 mi SW	Standard
51060	Ute, IA	17.5 mi SE	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 51056 or measure the distance to another ZIP code.

How to address mail to 51056

JANE SMITH
123 MAIN ST
SMITHLAND IA 51056

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (51056-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 51056?: 51056 is a Smithland, Iowa ZIP code.
What county is 51056 in?: ZIP code 51056 is in Woodbury County, Iowa.
What time zone is ZIP code 51056 in?: 51056 is in the Central Time zone (America/Chicago).
What area code is 51056?: Phone numbers in ZIP code 51056 use area code 712.
What is the population of ZIP code 51056?: About 346 people live in ZIP code 51056, according to the Census Bureau’s American Community Survey (2020–2024).
What is the median income in 51056?: The median household income in 51056 is $103,313 a year, higher than 91% of Iowa ZIP codes.
What ZIP codes are near 51056?: The nearest ZIP codes to 51056 are 51051 (Rodney, 3.3 miles), 51044 (Oto, 4.7 miles), 51026 (Hornick, 7.5 miles) and 51034 (Mapleton, 9.9 miles).