County

Monona County, IA

9 ZIP codes  ·  9 cities  ·  Iowa

👥8,749Population
💰$66,298Median HH Income▼ 13% below avg
🎂43.1Median Age
🏠$122,189Median Home Value▼ 56% below avg
🎓32.2%College Grads▼ 17% below avg
📊2.1%Unemployment▼ 57% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 48.0% Female 52.0% ♀

Race & Ethnicity

White: 92.5%Hispanic: 2.7%Black: 0.4%Other: 4.7%Race
White92.5%
Hispanic2.7%
Black0.4%
Other4.7%

Age Breakdown

Under 5
6%
5–17
16%
18–24
7%
25–44
21%
45–64
26%
65+
9%

Key Indicators

Median Age43.1 yrs
Avg HH Size2.23
Below Poverty10.2% ≈ Avg
College Grads32.2% ▼ 17% below avg
Unemployment2.1% ▼ 57% below avg
No HS Diploma29 (0.5%)
HS Graduate2,294 (39.2%)
Some College684 (11.7%)
Associates968 (16.5%)
Bachelors747 (12.8%)
Graduate Degree1,136 (19.4%)

Education

No HS: 0.5%HS Grad: 39.2%Some College: 11.7%Associates: 16.5%Bachelors: 12.8%Graduate: 19.4%Edu
No HS0.5%
HS Grad39.2%
Some College11.7%
Associates16.5%
Bachelors12.8%
Graduate19.4%
Housing & Income

Housing Tenure

Owner: 77.3%Renter: 22.7%Tenure
Owner77.3%
Renter22.7%

Home Value Distribution

Under $50k
17%
$50k–$100k
25%
$100k–$150k
16%
$150k–$200k
17%
$200k–$300k
14%
$300k–$500k
9%
Over $500k
2%

Financials

Median HH Income$66,298 ▼ 13% below avg
Median Home Value$122,189 ▼ 56% below avg
Home/Income Ratio1.8x (nat avg ~3.5x)
Median Rent$822/mo
Total Housing Units4,352
Vacant Units490

Income Distribution

Under $25k
16%
$25k–$50k
17%
$50k–$75k
21%
$75k–$100k
15%
$100k–$150k
20%
$150k–$200k
5%
Over $200k
5%
Employment & Commute

How People Get to Work

Drove Alone
88%
Public Transit
0%
Walked
2%
Work From Home
9%

Commute Time

Under 15 min
42%
15–30 min
27%
30–45 min
18%
Over 45 min
13%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
11%
1960s–1970s
10%
1980s–1990s
7%
2000+
67%
About Monona County, IA

Monona County is located in Iowa and encompasses 9 ZIP codes spanning 9 cities and communities. The county has an estimated population of 8,749 residents. With a median age of 43.13, it is a middle-aged county.

Monona County has a solidly middle-class economic profile. The median household income of $66,298 is near the national average. Unemployment stands at 2.1%, well below the national average. The poverty rate of 10.2% is near the national average.

Housing in Monona County is one of the more affordable housing markets in the country, with a median home value of $122,189 — well below the national average. Monthly median rent is approximately $821. Homeownership rates are high at 77.3%, reflecting a largely residential, stable population.

The residents of Monona County are primarily White (92.52%). Educational attainment is moderately educated — 32.2% of adults hold a bachelor's degree or higher, below the national average.

Monona County, IA is a solidly middle-class area in Iowa. The 9 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Monona County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
51523 Blencoe 356 $80,909 $117,600 $1,281 5.8% 36.9%
51010 Castana 416 $92,083 $107,900 $725 1.0% 22.8%
51034 Mapleton 1,844 $65,489 $119,100 $771 1.3% 36.7%
51558 Moorhead 680 $78,393 $70,000 $867 8.8% 31.9%
51040 Onawa 3,388 $60,642 $140,400 $828 1.4% 28.0%
51051 Rodney 48 $52,188 $162,500 7.7% 50.0%
51572 Soldier 379 $70,000 $125,000 $622 1.1% 37.8%
51060 Ute 529 $49,063 $104,200 $617 1.3% 26.5%
51063 Whiting 1,109 $70,714 $116,400 $913 1.3% 39.7%