Grundy County, Iowa

9 cities & places have their primary county here.

Population: 12,352
Median household income: $83,617
Median home value: $180,500

Home to 12,352 residents, Grundy County is one of Iowa's counties. 9 cities and places have their primary county here. Its median household income of $83,617 runs above the Iowa figure of $73,147.

Between 2019 and 2023, Grundy County's population held roughly steady from 12,299 to 12,352, while its median household income rose 22.9% from $68,038 to $83,617.

24.7% of adults 25 and older hold a bachelor's degree or higher. Owners occupy 84.0% of the area's occupied homes.

Demographics

ACS 2019–2023

Population: 12,352
Median age: 41.5 yrs
Median household income: $83,617
Median home value: $180,500
Median gross rent: $777
Housing units: 5,489
Homeownership rate: 84.0%
Bachelor's degree or higher: 24.7%
Unemployment rate: 2.2%

Trends

ACS 5-year · 2019–2023

Population

12,29912,352

Median household income

$68,038$83,617

Median home value

$130,200$180,500

Median gross rent

$633$777

Year	Population	Median household income	Median home value	Median gross rent
2019	12,299	$68,038	$130,200	$633
2020	12,262	$71,760	$138,100	$698
2021	12,336	$74,552	$148,300	$709
2022	12,351	$80,701	$166,300	$742
2023	12,352	$83,617	$180,500	$777

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.7%

5 to 1717.9%

18 to 246.8%

25 to 3410.9%

35 to 4412.4%

45 to 5411.6%

55 to 6413.8%

65 to 7411.4%

75 and over9.4%

	Count	Share
Under 5	700	5.7%
5 to 17	2,217	17.9%
18 to 24	846	6.8%
25 to 34	1,343	10.9%
35 to 44	1,536	12.4%
45 to 54	1,435	11.6%
55 to 64	1,707	13.8%
65 to 74	1,411	11.4%
75 and over	1,157	9.4%

Race & ethnicity

	Count	Share
White (non-Hispanic)	11,806	95.6%
Black or African American	86	0.7%
American Indian & Alaska Native	31	0.3%
Asian	57	0.5%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	72	0.6%
Two or more races	111	0.9%
Hispanic or Latino (any race)	189	1.5%

Educational attainment (age 25+)

No high school diploma2.8%

High school graduate34.6%

Some college or associate's37.9%

Bachelor's degree18.4%

Graduate or professional degree6.3%

	Count	Share
No high school diploma	240	2.8%
High school graduate	2,969	34.6%
Some college or associate's	3,259	37.9%
Bachelor's degree	1,583	18.4%
Graduate or professional degree	538	6.3%

Commute to work

Mean travel time to work: 22 min

Drove alone83.2%

Carpooled4.5%

Public transit0.2%

Walked1.8%

Bicycle0.2%

Worked from home9.9%

Other means0.3%

How workers get to work

	Count	Share
Drove alone	5,204	83.2%
Carpooled	280	4.5%
Public transit	11	0.2%
Walked	114	1.8%
Bicycle	11	0.2%
Worked from home	618	9.9%
Other means	17	0.3%

Travel time

	Count	Share
Under 15 min	1,903	33.8%
15 to 29 min	1,985	35.2%
30 to 44 min	1,212	21.5%
45 to 59 min	329	5.8%
60+ min	208	3.7%

Households

Average household size: 2.40
Poverty rate: 6.4% (786 of 12,198)

	Count	Share
Family households	3,441	67.7%
Nonfamily households	1,644	32.3%

Housing

Median year structure built: 1960

Occupancy

	Count	Share
Occupied	5,085	92.6%
Vacant	404	7.4%

Tenure (of occupied units)

	Count	Share
Owner-occupied	4,270	84.0%
Renter-occupied	815	16.0%

1-unit, detached84.4%

1-unit, attached1.4%

2 to 4 units5.8%

5 to 19 units3.5%

20 or more units1.6%

Mobile home & other3.4%

Units in structure

	Count	Share
1-unit, detached	4,633	84.4%
1-unit, attached	75	1.4%
2 to 4 units	317	5.8%
5 to 19 units	191	3.5%
20 or more units	86	1.6%
Mobile home & other	187	3.4%

Geography

County GEOID: 19075
State: Iowa
Land area: 502 sq mi
Water area: 0.04 sq mi
Center point: 42.4033, -92.7902