US ZIP Code
51433

Auburn, IA

Sac County  ·  Iowa

● Active
👥 567 Population ↑ 19% since 2019
💰 $62,500 Median HH Income
▼ 18% below avg ↑ 18% since 2019
🎂 36.7 Median Age
🏠 $145,000 Median Home Value
▼ 48% below avg ↑ 102% since 2019
🎓 25.2% College Grads
▼ 35% below avg
📊 0.6% Unemployment
▼ 88% below avg ↓ 76% since 2019
ZIP Code Details
ZIP Code51433
CityAuburn
StateIowa (IA)
CountySac County
Area Code712
Elevation1,130 ft
Latitude42.266648
Longitude-94.875329
TimezoneChicago (DST)
FIPS19161
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 43.4% (246) Female 56.6% (321) ♀

Race & Ethnicity

White: 98.9%Hispanic: 1.1%Race
White98.9%
Hispanic1.1%

Age Breakdown

Under 5
5%
5–17
23%
18–24
2%
25–44
42%
45–64
15%
65+
5%

Key Indicators

Median Age36.7 yrs
Avg Household Size2.70
Below Poverty19.6% ▲ 96% above avg
College Grads25.2% ▼ 35% below avg
Unemployment0.6% ▼ 88% below avg
No HS Diploma3 (0.8%)
HS Graduate142 (37.3%)
Some College22 (5.8%)
Associates118 (31%)
Bachelors54 (14.2%)
Graduate Degree42 (11%)

Education

No HS: 0.8%HS Grad: 37.3%Some College: 5.8%Associates: 31%Bachelors: 14.2%Graduate: 11%Edu
No HS0.8%
HS Grad37.3%
Some College5.8%
Associates31.0%
Bachelors14.2%
Graduate11.0%
Housing & Income

Housing Tenure

Owner: 48.6%Renter: 51.4%Tenure
Owner48.6%
Renter51.4%

Home Value Distribution

Under $50k
8%
$50k–100k
27%
$100k–150k
18%
$150k–200k
23%
$200k–300k
21%
$300k–500k
2%
Over $500k
1%

Financials

Median HH Income$62,500 ▼ 18% below avg ↑ 18% since 2019
Median Home Value$145,000 ▼ 48% below avg ↑ 102% since 2019
Home/Income Ratio2.3x (nat avg ~3.5x)
Median Rent$733/mo ↑ 43% since 2019
Total Units232
Vacant Units22
Avg HH Size2.70

Income Distribution

Under $25k
10%
$25k–50k
15%
$50k–75k
26%
$75k–100k
25%
$100k–150k
20%
$150k–200k
2%
Over $200k
2%
Employment & Commute

How People Get to Work

Drove Alone
91%
Walked
2%
Work From Home
6%

Commute Time

Under 15 min
42%
15–30 min
31%
30–45 min
1%
Over 45 min
26%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
20%
1960s–1970s
7%
1980s–1990s
8%
2000+
63%

Summary

Total Units232
Vacant22
Owner Occupied48.6%
Renter Occupied51.4%
Avg HH Size2.70
Frequently Asked Questions
ZIP code 51433 is in Auburn, IA, in Sac County.
ZIP code 51433 is located in Iowa (IA).
ZIP code 51433 is in Sac County, IA.
ZIP 51433 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 51433 is 567 people (ACS 2023).
The median household income in ZIP code 51433 is $62,500 (ACS 2023).
The median home value in ZIP 51433 is $145,000 (ACS 2023).
About ZIP Code 51433

ZIP code 51433 is located in Auburn, Iowa, within Sac County. With a population of 567, this is a sparsely populated ZIP code with a relatively young community — the median age is 36.7 years. Economically, 51433 is a solidly middle-class ZIP code: the median household income of $62,500 is below the national average.

Real estate in ZIP code 51433 represents one of the more affordable housing markets in the country. The median home value of $145,000 is below the national average. Renters can expect to pay around $733 per month in median rent. The area has a relatively balanced mix of owners (48.6%) and renters (51.4%). Median home values have increased by 102% since 2019.

The population of 51433 is primarily White (98.94%). Residents are moderately educated — 25.2% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 19.6%. Household income has grown by 18% since 2019.

The unemployment rate in 51433 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 87%.

Overall, ZIP code 51433 in Auburn, IA is characterized as solidly middle-class, moderately educated, and a relatively young community. With 567 residents, a median household income of $62,500, and a median home value of $145,000, it offers a clear picture of life in this part of Iowa.