US ZIP Code
51521

Avoca, IA

Pottawattamie County  ·  Iowa

● Active
👥 1,935 Population ↑ 8% since 2019
💰 $71,715 Median HH Income
≈ Avg ↑ 29% since 2019
🎂 42.4 Median Age ↑ 13% since 2019
🏠 $173,100 Median Home Value
▼ 38% below avg ↑ 33% since 2019
🎓 41.0% College Grads
≈ Avg
📊 0.6% Unemployment
▼ 87% below avg ↓ 54% since 2019
ZIP Code Details
ZIP Code51521
CityAvoca
StateIowa (IA)
CountyPottawattamie County
Area Code712
Elevation1,293 ft
Latitude41.485468
Longitude-95.344684
TimezoneChicago (DST)
FIPS19155
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 44.6% (862) Female 55.5% (1,073) ♀

Race & Ethnicity

White: 96.5%Hispanic: 0.7%Asian: 0.4%Other: 1.8%Race
White96.5%
Hispanic0.7%
Asian0.4%
Other1.8%

Age Breakdown

Under 5
8%
5–17
17%
18–24
8%
25–44
20%
45–64
22%
65+
13%

Key Indicators

Median Age42.4 yrs ↑ 13% since 2019
Avg Household Size2.24
Below Poverty10.4% ≈ Avg
College Grads41.0% ≈ Avg
Unemployment0.6% ▼ 87% below avg
No HS Diploma7 (0.6%)
HS Graduate364 (29.3%)
Some College173 (13.9%)
Associates189 (15.2%)
Bachelors157 (12.6%)
Graduate Degree352 (28.3%)

Education

No HS: 0.6%HS Grad: 29.3%Some College: 13.9%Associates: 15.2%Bachelors: 12.6%Graduate: 28.3%Edu
No HS0.6%
HS Grad29.3%
Some College13.9%
Associates15.2%
Bachelors12.6%
Graduate28.3%
Housing & Income

Housing Tenure

Owner: 74.2%Renter: 25.8%Tenure
Owner74.2%
Renter25.8%

Home Value Distribution

Under $50k
6%
$50k–100k
13%
$100k–150k
20%
$150k–200k
19%
$200k–300k
25%
$300k–500k
14%
Over $500k
3%

Financials

Median HH Income$71,715 ≈ Avg ↑ 29% since 2019
Median Home Value$173,100 ▼ 38% below avg ↑ 33% since 2019
Home/Income Ratio2.4x (nat avg ~3.5x)
Median Rent$883/mo ↑ 20% since 2019
Total Units934
Vacant Units77
Avg HH Size2.24

Income Distribution

Under $25k
21%
$25k–50k
9%
$50k–75k
25%
$75k–100k
13%
$100k–150k
21%
$150k–200k
4%
Over $200k
7%
Employment & Commute

How People Get to Work

Drove Alone
96%
Work From Home
4%

Commute Time

Under 15 min
42%
15–30 min
25%
30–45 min
16%
Over 45 min
17%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
8%
1960s–1970s
12%
1980s–1990s
8%
2000+
71%

Summary

Total Units934
Vacant77
Owner Occupied74.2%
Renter Occupied25.8%
Avg HH Size2.24
Frequently Asked Questions
ZIP code 51521 is in Avoca, IA, in Pottawattamie County.
ZIP code 51521 is located in Iowa (IA).
ZIP code 51521 is in Pottawattamie County, IA.
ZIP 51521 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 51521 is 1,935 people (ACS 2023).
The median household income in ZIP code 51521 is $71,715 (ACS 2023).
The median home value in ZIP 51521 is $173,100 (ACS 2023).
About ZIP Code 51521

ZIP code 51521 is located in Avoca, Iowa, within Pottawattamie County. With a population of 1,935, this is a sparsely populated ZIP code with a middle-aged community — the median age is 42.4 years. Economically, 51521 is a solidly middle-class ZIP code: the median household income of $71,715 is near the national average.

Real estate in ZIP code 51521 represents an affordable housing market. The median home value of $173,100 is below the national average. Renters can expect to pay around $883 per month in median rent. Homeownership is strong here — 74.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 33% since 2019.

The population of 51521 is primarily White (96.54%). Residents are well-educated — 41.0% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 10.4%. Household income has grown by 29% since 2019.

The unemployment rate in 51521 stands at 0.6%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 91%.

Overall, ZIP code 51521 in Avoca, IA is characterized as solidly middle-class, well-educated, a middle-aged community, and predominantly owner-occupied. With 1,935 residents, a median household income of $71,715, and a median home value of $173,100, it offers a clear picture of life in this part of Iowa.