Rock County, Wisconsin

11 cities & places have their primary county here.

Population: 163,944
Median household income: $74,390
Median home value: $215,900

Rock County, Wisconsin counts 163,944 residents. 11 cities and places have their primary county here. The median household income of $74,390 is in line with the Wisconsin median ($75,670).

Between 2019 and 2023, Rock County's population grew 1.1% from 162,152 to 163,944, while its median household income rose 28.5% from $57,875 to $74,390.

Households average 2.42 people. The median gross rent is $1,019.

Demographics

ACS 2019–2023

Population: 163,944
Median age: 40.1 yrs
Median household income: $74,390
Median home value: $215,900
Median gross rent: $1,019
Housing units: 70,694
Homeownership rate: 70.6%
Bachelor's degree or higher: 25.7%
Unemployment rate: 4.0%

Trends

ACS 5-year · 2019–2023

Population

162,152163,944

Median household income

$57,875$74,390

Median home value

$146,200$215,900

Median gross rent

$838$1,019

Year	Population	Median household income	Median home value	Median gross rent
2019	162,152	$57,875	$146,200	$838
2020	162,532	$59,519	$156,800	$860
2021	163,522	$65,518	$165,800	$892
2022	163,817	$70,630	$193,000	$981
2023	163,944	$74,390	$215,900	$1,019

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

Age distribution

Under 55.7%

5 to 1717.0%

18 to 248.4%

25 to 3412.2%

35 to 4412.6%

45 to 5412.5%

55 to 6414.2%

65 to 7410.5%

75 and over6.8%

	Count	Share
Under 5	9,371	5.7%
5 to 17	27,801	17.0%
18 to 24	13,751	8.4%
25 to 34	20,082	12.2%
35 to 44	20,716	12.6%
45 to 54	20,509	12.5%
55 to 64	23,318	14.2%
65 to 74	17,187	10.5%
75 and over	11,209	6.8%

Race & ethnicity

	Count	Share
White (non-Hispanic)	131,551	80.2%
Black or African American	7,530	4.6%
American Indian & Alaska Native	67	0.0%
Asian	1,865	1.1%
Native Hawaiian & Pacific Islander	25	0.0%
Some other race	383	0.2%
Two or more races	6,360	3.9%
Hispanic or Latino (any race)	16,163	9.9%

Educational attainment (age 25+)

No high school diploma7.4%

High school graduate33.3%

Some college or associate's33.6%

Bachelor's degree17.7%

Graduate or professional degree8.0%

	Count	Share
No high school diploma	8,347	7.4%
High school graduate	37,592	33.3%
Some college or associate's	37,997	33.6%
Bachelor's degree	20,000	17.7%
Graduate or professional degree	9,085	8.0%

Commute to work

Mean travel time to work: 24 min

Drove alone80.3%

Carpooled8.2%

Public transit0.5%

Walked1.8%

Bicycle0.2%

Worked from home8.2%

Other means1.0%

How workers get to work

	Count	Share
Drove alone	64,639	80.3%
Carpooled	6,627	8.2%
Public transit	363	0.5%
Walked	1,411	1.8%
Bicycle	123	0.2%
Worked from home	6,580	8.2%
Other means	770	1.0%

Travel time

	Count	Share
Under 15 min	25,952	35.1%
15 to 29 min	24,682	33.4%
30 to 44 min	13,170	17.8%
45 to 59 min	5,844	7.9%
60+ min	4,285	5.8%

Households

Average household size: 2.42
Poverty rate: 10.0% (16,058 of 161,053)

	Count	Share
Family households	41,922	62.9%
Nonfamily households	24,730	37.1%

Housing

Median year structure built: 1970

Occupancy

	Count	Share
Occupied	66,652	94.3%
Vacant	4,042	5.7%

Tenure (of occupied units)

	Count	Share
Owner-occupied	47,086	70.6%
Renter-occupied	19,566	29.4%

1-unit, detached74.3%

1-unit, attached4.3%

2 to 4 units7.5%

5 to 19 units5.6%

20 or more units5.8%

Mobile home & other2.5%

Units in structure

	Count	Share
1-unit, detached	52,509	74.3%
1-unit, attached	3,041	4.3%
2 to 4 units	5,282	7.5%
5 to 19 units	3,945	5.6%
20 or more units	4,126	5.8%
Mobile home & other	1,791	2.5%

Geography

County GEOID: 55105
State: Wisconsin
Land area: 718 sq mi
Water area: 7.99 sq mi
Center point: 42.6699, -89.0753