What city is ZIP code 51010?

51010 is a Castana, Iowa ZIP code.

What county is 51010 in?

ZIP code 51010 is in Monona County, Iowa.

What time zone is ZIP code 51010 in?

51010 is in the Central Time zone (America/Chicago).

What area code is 51010?

Phone numbers in ZIP code 51010 use area code 712.

What is the population of ZIP code 51010?

About 425 people live in ZIP code 51010, according to the Census Bureau’s American Community Survey (2020–2024).

What is the median income in 51010?

The median household income in 51010 is $89,063 a year, higher than 78% of Iowa ZIP codes.

What ZIP codes are near 51010?

The nearest ZIP codes to 51010 are 51034 (Mapleton, 8.4 miles), 51572 (Soldier, 8.5 miles), 51051 (Rodney, 9.2 miles) and 51060 (Ute, 10.1 miles).

ZIP code 51010

Where is ZIP code 51010?

Castana, Iowa

Monona County · Standard ZIP code

ZIP code 51010 belongs to Castana, Iowa in Monona County. 51010 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 425 people live in the 51010 area, where the median household income is $89,063. The closest ZIP codes are 51034 (Mapleton, 8.4 mi northeast), 51572 (Soldier, 8.5 mi southeast) and 51051 (Rodney, 9.2 mi north).

ZIP code	51010
Type	Standard ZIP code for street addresses and PO Boxes
Status	Active
City	Castana
State	Iowa (IA)
County	Monona County
Time zone	Central Time · now
Area code	712
Coordinates	42.0744, -95.9086 map
3-digit prefix	510

Population and income in 51010

Population	425 · lower than 74% of Iowa ZIP codes
People per square mile	6 · lower than 95% of Iowa ZIP codes
Median age	46.7 years · higher than 68% of Iowa ZIP codes
Men / women	52% / 48%
Median household income	$89,063 · higher than 78% of Iowa ZIP codes
Income per person	$40,064
Below the poverty line	2.4%
Bachelor’s degree or higher	11% of adults 25+
Median home value	$114,800 · lower than 78% of Iowa ZIP codes
Median rent	$99 a month
Housing units	262
Households	208 (2.04 people on average)
Owners / renters	88% / 13%
Land area	72.03 sq mi (plus 0.41 sq mi of water)

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 51010. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 51010

ZIP code	City	Distance	Type
51034	Mapleton, IA	8.4 mi NE	Standard
51572	Soldier, IA	8.5 mi SE	Standard
51051	Rodney, IA	9.2 mi N	Standard
51060	Ute, IA	10.1 mi E	Standard
51040	Onawa, IA	10.5 mi W	Standard
51558	Moorhead, IA	11.5 mi S	Standard
51056	Smithland, IA	11.7 mi N	Standard
51044	Oto, IA	13.4 mi N	Standard
51523	Blencoe, IA	13.7 mi SW	Standard
51063	Whiting, IA	15 mi W	Standard
51439	Charter Oak, IA	15.9 mi E	Standard
51019	Danbury, IA	16.4 mi NE	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 51010 or measure the distance to another ZIP code.

How to address mail to 51010

JANE SMITH
123 MAIN ST
CASTANA IA 51010

Put the city, the two-letter state code and the ZIP code on the last line. Avoid Ticonic: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (51010-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 51010?: 51010 is a Castana, Iowa ZIP code.
What county is 51010 in?: ZIP code 51010 is in Monona County, Iowa.
What time zone is ZIP code 51010 in?: 51010 is in the Central Time zone (America/Chicago).
What area code is 51010?: Phone numbers in ZIP code 51010 use area code 712.
What is the population of ZIP code 51010?: About 425 people live in ZIP code 51010, according to the Census Bureau’s American Community Survey (2020–2024).
What is the median income in 51010?: The median household income in 51010 is $89,063 a year, higher than 78% of Iowa ZIP codes.
What ZIP codes are near 51010?: The nearest ZIP codes to 51010 are 51034 (Mapleton, 8.4 miles), 51572 (Soldier, 8.5 miles), 51051 (Rodney, 9.2 miles) and 51060 (Ute, 10.1 miles).