US ZIP Code
51523

Blencoe, IA

Monona County  ·  Iowa

● Active
👥 356 Population ↓ 6% since 2019
💰 $80,909 Median HH Income
≈ Avg ↑ 15% since 2019
🎂 42.8 Median Age ↓ 7% since 2019
🏠 $117,600 Median Home Value
▼ 58% below avg ↑ 42% since 2019
🎓 36.9% College Grads
≈ Avg
📊 5.8% Unemployment
▲ 18% above avg ↑ 101% since 2019
ZIP Code Details
ZIP Code51523
CityBlencoe
StateIowa (IA)
CountyMonona County
Area Code712
Elevation1,037 ft
Latitude41.915211
Longitude-96.06771
TimezoneChicago (DST)
FIPS19133
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 52.3% (186) Female 47.8% (170) ♀

Race & Ethnicity

White: 96.4%Hispanic: 2.5%Other: 1.1%Race
White96.4%
Hispanic2.5%
Other1.1%

Age Breakdown

Under 5
9%
5–17
19%
18–24
3%
25–44
22%
45–64
21%
65+
12%

Key Indicators

Median Age42.8 yrs ↓ 7% since 2019
Avg Household Size2.41
Below Poverty8.2% ▼ 19% below avg
College Grads36.9% ≈ Avg
Unemployment5.8% ▲ 18% above avg
HS Graduate96 (41.2%)
Some College31 (13.3%)
Associates20 (8.6%)
Bachelors35 (15%)
Graduate Degree51 (21.9%)

Education

HS Grad: 41.2%Some College: 13.3%Associates: 8.6%Bachelors: 15%Graduate: 21.9%Edu
HS Grad41.2%
Some College13.3%
Associates8.6%
Bachelors15.0%
Graduate21.9%
Housing & Income

Housing Tenure

Owner: 83.8%Renter: 16.2%Tenure
Owner83.8%
Renter16.2%

Home Value Distribution

Under $50k
11%
$50k–100k
29%
$100k–150k
18%
$150k–200k
5%
$200k–300k
10%
$300k–500k
26%
Over $500k
2%

Financials

Median HH Income$80,909 ≈ Avg ↑ 15% since 2019
Median Home Value$117,600 ▼ 58% below avg ↑ 42% since 2019
Home/Income Ratio1.5x (nat avg ~3.5x)
Median Rent$1,281/mo ↑ 103% since 2019
Total Units155
Vacant Units7
Avg HH Size2.41

Income Distribution

Under $25k
23%
$25k–50k
12%
$50k–75k
12%
$75k–100k
25%
$100k–150k
13%
$150k–200k
9%
Over $200k
7%
Employment & Commute

How People Get to Work

Drove Alone
94%
Work From Home
6%

Commute Time

Under 15 min
57%
15–30 min
23%
30–45 min
3%
Over 45 min
17%
Housing Stock

Year Built

Before 1940
15%
1940s–1950s
9%
1960s–1970s
8%
1980s–1990s
2%
2000+
66%

Summary

Total Units155
Vacant7
Owner Occupied83.8%
Renter Occupied16.2%
Avg HH Size2.41
Frequently Asked Questions
ZIP code 51523 is in Blencoe, IA, in Monona County.
ZIP code 51523 is located in Iowa (IA).
ZIP code 51523 is in Monona County, IA.
ZIP 51523 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 51523 is 356 people (ACS 2023).
The median household income in ZIP code 51523 is $80,909 (ACS 2023).
The median home value in ZIP 51523 is $117,600 (ACS 2023).
About ZIP Code 51523

ZIP code 51523 is located in Blencoe, Iowa, within Monona County. With a population of 356, this is a sparsely populated ZIP code with a middle-aged community — the median age is 42.8 years. Economically, 51523 is a middle-income ZIP code: the median household income of $80,909 is near the national average.

Real estate in ZIP code 51523 represents one of the more affordable housing markets in the country. The median home value of $117,600 is well below the national average. Renters can expect to pay around $1,281 per month in median rent. Homeownership is strong here — 83.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 42% since 2019.

The population of 51523 is primarily White (96.35%). Residents are moderately educated — 36.9% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 8.2%. Household income has grown by 15% since 2019.

The unemployment rate in 51523 stands at 5.8%, which is above the national average. As in most parts of the country, driving alone is the dominant commute mode at 92%.

Overall, ZIP code 51523 in Blencoe, IA is characterized as middle-income, moderately educated, a middle-aged community, and predominantly owner-occupied. With 356 residents, a median household income of $80,909, and a median home value of $117,600, it offers a clear picture of life in this part of Iowa.