What city is ZIP code 51521?

51521 is a Avoca, Iowa ZIP code.

What county is 51521 in?

ZIP code 51521 is in Pottawattamie County, Iowa.

What time zone is ZIP code 51521 in?

51521 is in the Central Time zone (America/Chicago).

What area code is 51521?

Phone numbers in ZIP code 51521 use area code 712.

What is the population of ZIP code 51521?

About 1,953 people live in ZIP code 51521, according to the Census Bureau’s American Community Survey (2020–2024).

What is the median income in 51521?

The median household income in 51521 is $73,769 a year, higher than 50% of Iowa ZIP codes.

What ZIP codes are near 51521?

The nearest ZIP codes to 51521 are 51593 (Harlan, 1.6 miles), 51570 (Shelby, 6.3 miles), 51536 (Hancock, 6.5 miles) and 51577 (Walnut, 7 miles).

ZIP code 51521

Where is ZIP code 51521?

Avoca, Iowa

Pottawattamie County · Standard ZIP code

ZIP code 51521 belongs to Avoca, Iowa in Pottawattamie County. 51521 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 1,953 people live in the 51521 area, where the median household income is $73,769. The closest ZIP codes are 51593 (Harlan, 1.6 mi northwest), 51570 (Shelby, 6.3 mi northwest) and 51536 (Hancock, 6.5 mi south).

ZIP code	51521
Type	Standard ZIP code for street addresses and PO Boxes
Status	Active
City	Avoca
State	Iowa (IA)
County	Pottawattamie County
Time zone	Central Time · now
Area code	712
Coordinates	41.4768, -95.3509 map
3-digit prefix	515

Population and income in 51521

Population	1,953 · higher than 71% of Iowa ZIP codes
People per square mile	22 · higher than 51% of Iowa ZIP codes
Median age	45.2 years · higher than 63% of Iowa ZIP codes
Men / women	44% / 56%
Median household income	$73,769 · higher than 50% of Iowa ZIP codes
Income per person	$46,316
Below the poverty line	8.9%
Bachelor’s degree or higher	28% of adults 25+
Median home value	$202,800 · higher than 71% of Iowa ZIP codes
Median rent	$860 a month
Housing units	965
Households	878 (2.21 people on average)
Owners / renters	73% / 27%
Land area	87.41 sq mi (plus 0.48 sq mi of water)

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 51521. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 51521

ZIP code	City	Distance	Type
51593	Harlan, IA	1.6 mi NW	PO Box only
51570	Shelby, IA	6.3 mi NW	Standard
51536	Hancock, IA	6.5 mi S	Standard
51577	Walnut, IA	7 mi E	Standard
51553	Minden, IA	10.4 mi W	Standard
51560	Oakland, IA	11.5 mi S	Standard
51537	Harlan, IA	11.7 mi N	Standard
51563	Persia, IA	12.7 mi NW	Standard
51552	Marne, IA	13.2 mi E	Standard
51565	Portsmouth, IA	14.5 mi NW	Standard
51531	Elk Horn, IA	16.3 mi NE	Standard
51576	Underwood, IA	16.4 mi SW	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 51521 or measure the distance to another ZIP code.

How to address mail to 51521

JANE SMITH
123 MAIN ST
AVOCA IA 51521

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (51521-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 51521?: 51521 is a Avoca, Iowa ZIP code.
What county is 51521 in?: ZIP code 51521 is in Pottawattamie County, Iowa.
What time zone is ZIP code 51521 in?: 51521 is in the Central Time zone (America/Chicago).
What area code is 51521?: Phone numbers in ZIP code 51521 use area code 712.
What is the population of ZIP code 51521?: About 1,953 people live in ZIP code 51521, according to the Census Bureau’s American Community Survey (2020–2024).
What is the median income in 51521?: The median household income in 51521 is $73,769 a year, higher than 50% of Iowa ZIP codes.
What ZIP codes are near 51521?: The nearest ZIP codes to 51521 are 51593 (Harlan, 1.6 miles), 51570 (Shelby, 6.3 miles), 51536 (Hancock, 6.5 miles) and 51577 (Walnut, 7 miles).