County

Grundy County, IA

9 ZIP codes  ·  9 cities  ·  Iowa

👥11,538Population
💰$84,641Median HH Income▲ 11% above avg
🎂42.5Median Age
🏠$181,260Median Home Value▼ 35% below avg
🎓42.4%College Grads▲ 9% above avg
📊2.3%Unemployment▼ 54% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 48.8% Female 51.2% ♀

Race & Ethnicity

White: 95.2%Hispanic: 2.1%Black: 0.8%Asian: 0.4%Other: 1.4%Race
White95.2%
Hispanic2.1%
Black0.8%
Asian0.4%
Other1.4%

Age Breakdown

Under 5
5%
5–17
18%
18–24
6%
25–44
24%
45–64
25%
65+
8%

Key Indicators

Median Age42.5 yrs
Avg HH Size2.40
Below Poverty6.4% ▼ 36% below avg
College Grads42.4% ▲ 9% above avg
Unemployment2.3% ▼ 54% below avg
No HS Diploma20 (0.3%)
HS Graduate2,747 (34.5%)
Some College775 (9.7%)
Associates1,064 (13.4%)
Bachelors1,319 (16.6%)
Graduate Degree2,032 (25.5%)

Education

No HS: 0.3%HS Grad: 34.5%Some College: 9.7%Associates: 13.4%Bachelors: 16.6%Graduate: 25.5%Edu
No HS0.3%
HS Grad34.5%
Some College9.7%
Associates13.4%
Bachelors16.6%
Graduate25.5%
Housing & Income

Housing Tenure

Owner: 82.7%Renter: 17.3%Tenure
Owner82.7%
Renter17.3%

Home Value Distribution

Under $50k
4%
$50k–$100k
13%
$100k–$150k
19%
$150k–$200k
20%
$200k–$300k
25%
$300k–$500k
16%
Over $500k
4%

Financials

Median HH Income$84,641 ▲ 11% above avg
Median Home Value$181,259 ▼ 35% below avg
Home/Income Ratio2.1x (nat avg ~3.5x)
Median Rent$770/mo
Total Housing Units5,173
Vacant Units413

Income Distribution

Under $25k
11%
$25k–$50k
13%
$50k–$75k
19%
$75k–$100k
18%
$100k–$150k
22%
$150k–$200k
10%
Over $200k
7%
Employment & Commute

How People Get to Work

Drove Alone
87%
Public Transit
0%
Walked
2%
Work From Home
11%

Commute Time

Under 15 min
35%
15–30 min
33%
30–45 min
21%
Over 45 min
11%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
14%
1960s–1970s
11%
1980s–1990s
8%
2000+
63%
About Grundy County, IA

Grundy County is located in Iowa and encompasses 9 ZIP codes spanning 9 cities and communities. The county has an estimated population of 11,538 residents. With a median age of 42.49, it is a middle-aged county.

Grundy County has a middle-income economic profile. The median household income of $84,640 is near the national average. Unemployment stands at 2.3%, well below the national average. The poverty rate of 6.4% is well below the national average.

Housing in Grundy County is an affordable housing market, with a median home value of $181,259 — below the national average. Monthly median rent is approximately $769. Homeownership rates are high at 82.7%, reflecting a largely residential, stable population.

The residents of Grundy County are primarily White (95.24%). Educational attainment is well-educated — 42.4% of adults hold a bachelor's degree or higher, near the national average.

Grundy County, IA is a middle-income 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 Grundy County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
50609 Beaman 370 $89,479 $212,800 $688 0.0% 43.8%
50621 Conrad 1,591 $86,146 $185,300 $944 0.5% 40.2%
50624 Dike 1,664 $93,333 $243,500 $708 2.1% 55.3%
50638 Grundy Center 3,474 $79,500 $181,000 $681 1.6% 42.4%
50642 Holland 554 $108,750 $181,300 $1,094 8.2% 41.9%
50657 Morrison 125 $88,750 $137,500 2.0% 36.1%
50669 Reinbeck 2,447 $83,636 $165,300 $828 2.4% 42.3%
50673 Stout 236 $87,500 $120,800 5.5% 30.6%
50680 Wellsburg 1,077 $72,684 $123,700 $625 3.8% 29.3%