CensusEasy
COUNTY · 2010 ACS

Rock County

Wisconsin · 160,331 residents · 718.167 sq mi
Time machine
COMPARE TO
Part of the Janesville metro area
Compare
The short version

Rock County has roughly average household income, with a median household income of $49,716. Population has held roughly steady since 2000. Median home value is $138,000.

At a glance
Lower income
below the US median
US median: $52,703
Mid-age
median age 38.0
US median: 37.2
Less educated
20% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
160,331
+5%since 2000
from 152,307 in 2000
1990 – 2025
Population density
223 / sq mi
+5%since 2000
from 212 / sq mi in 2000
US average: 261
Median age
38.0
+6%since 2000
from 35.9 in 2000
US average: 37.2
Population, 1990 – 2024
137K144K152K159K167K1990201020202024Rock County
2024164K
1990201020202024
Section 02

Income & economy

Median household income
$49,716
−14%inflation adjusted, since 2000
from $45,517 in 2000
US average: $52,703
1990 – 2024
Per capita income
$23,926
+15%since 2000
from $20,895 in 2000
US average: $27,286
Households earning $100K+
29.5%
+0.5 ptssince 2009
from 28.9% in 2009
US average: 33.3%
Poverty rate
12.4%
+5.0 ptssince 2000
from 7.3% in 2000
US average: 13.8%
Income inequality (Gini)
0.404
US average: 0.461
Workforce by industry, 2010
Retail trade21.7%
US avg: 10.9%
Information12.4%
US avg: 11.5%
Wholesale trade6.1%
US avg: 7.2%
Finance & insurance4.9%
US avg: 5.1%
Other services4.2%
US avg: 7%
Transportation & warehousing4%
US avg: 3.1%
Professional, scientific, technical4%
US avg: 4.2%
Public administration3.3%
US avg: 4.9%
Arts, entertainment, food2.3%
US avg: 2.4%
Agriculture, forestry, fishing1.8%
US avg: 1.9%
Construction1.7%
US avg: 1.4%
Education & health services0.9%
US avg: 0.9%
Manufacturing0.1%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$138,000
+11%inflation adjusted, since 2000
from $98,300 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$698
+2%inflation adjusted, since 2000
from $543 in 2000
US average: $853
Owner-occupied
50.6%
−20.6 ptssince 2000
from 71.1% in 2000
29.4% rent
Vacancy rate
8.0%
−0.2 ptssince 2009
from 8.2% in 2009
US average: 12.1%
Owner cost-burdened
27.4%
+0.9 ptssince 2009
from 26.4% in 2009
US average: 30.9%
Renter cost-burdened
48.0%
+3.0 ptssince 2009
from 45.0% in 2009
US average: 46.8%
Afford Score
2.8
+29%since 2000
from 2.2 in 2000
1990 – 2024
RELATED:See current rent listings in Rock County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic89.2%(135,884)
Black4.6%(6,943)
Hispanic / Latino3.9%(5,953)
Asian0.8%(1,180)
Other0%
Diversity Score21.9%(33,343)
2010
White, non-Hispanic84.5%(135,526)
Black4.8%(7,766)
Hispanic / Latino7.6%(12,124)
Asian1%(1,603)
Other1.8%(2,913)
Diversity Score34.2%(54,789)
Diversity Score
34
+56%since 2000
from 22 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
19.8%
+3.1 ptssince 2000
from 16.7% in 2000
US average: 27.9%
High school or higher
87.4%
+3.5 ptssince 2000
from 83.9% in 2000
US average: 84.9%
Graduate degree
6.5%
+1.1 ptssince 2000
from 5.4% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
21.5 min
+58%since 2000
from 13.6 min in 2000
US average: 25.2
Drive alone to work
81.9%
−0.7 ptssince 2009
from 82.6% in 2009
US average: 76.2%
Carpooled to work
10.1%
+0.2 ptssince 2009
from 9.9% in 2009
US average: 10.4%
Public transit
0.7%
+0.1 ptssince 2009
from 0.7% in 2009
US average: 4.7%
Worked from home
3.5%
+0.3 ptssince 2009
from 3.2% in 2009
US average: 4.1%
Walked to work
2.8%
+0.2 ptssince 2009
from 2.6% in 2009
US average: 2.8%
Biked to work
0.3%
Unchangedsince 2009
from 0.3% in 2009
US average: 0.5%
No vehicle available
5.0%
−0.3 ptssince 2009
from 5.4% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
12.2%
+0.4 ptssince 2009
from 11.8% in 2009
US average: 12.9%
Management & professional
28.4%
−31.7 ptssince 2009
from 60.1% in 2009
US average: 35.2%
Section 08

People & community

Male
49.2%
−0.3 ptssince 2009
from 49.5% in 2009
Female
50.8%
+0.3 ptssince 2009
from 50.5% in 2009
Foreign born
4.4%
Unchangedsince 2009
from 4.3% in 2009
US average: 12.8%
Veterans
10.9%
−38.0 ptssince 2009
from 48.9% in 2009
US average: 9.9%
Drill deeper

Places similar to Rock County

Madera County
Pop 167,927
Johnson County
Pop 160,044
Mesa County
Pop 162,845
Sumter County
Pop 157,772
Places similar to Rock County
Head to head

Compare Rock County to nearby counties

ROCK COUNTY VS
Winnebago County
Income$65,837+32%
Home value$164,500+19%
Population283,674+70%
SEE FULL COMPARISON →
ROCK COUNTY VS
Green County
Income$82,852+67%
Home value$250,200+81%
Population37,227−78%
SEE FULL COMPARISON →
ROCK COUNTY VS
Walworth County
Income$80,520+62%
Home value$302,700+119%
Population106,127−36%
SEE FULL COMPARISON →
ROCK COUNTY VS
Boone County
Income$84,571+70%
Home value$216,900+57%
Population53,568−68%
SEE FULL COMPARISON →
Frequently asked

How many people live in Rock County, Wisconsin?

Rock County, Wisconsin has about 160,331 residents according to the 2010 American Community Survey.

What is the median household income in Rock County, Wisconsin?

The typical household in Rock County, Wisconsin earns about $49,716 a year. Half of households make more than that, and half make less.

Is Rock County, Wisconsin expensive?

In Rock County, Wisconsin, the median home is worth about $138,000, and the typical rent is about $698 a month.

How educated are people in Rock County, Wisconsin?

About 19.8% of adults age 25 and over in Rock County, Wisconsin hold a bachelor's degree or higher.

What is the poverty rate in Rock County, Wisconsin?

About 12.4% of people in Rock County, Wisconsin live below the federal poverty line.

Has Rock County, Wisconsin grown since 1990?

Yes, Rock County, Wisconsin has grown since 1990. The population has added about 20,821 residents, a change of about 15 percent over that period.

Keep going

Explore from here

41 census tracts (top 20 by population)
Census Tract 12.01Census Tract 13.02Census Tract 12.02Census Tract 14Census Tract 30.02Census Tract 16Census Tract 30.01Census Tract 29.02Census Tract 13.06Census Tract 31.02Census Tract 26.01Census Tract 17Census Tract 11Census Tract 28Census Tract 13.03Census Tract 5Census Tract 26.02Census Tract 18Census Tract 8Census Tract 7
13 ZIP codes
ZIP 53511ZIP 53546ZIP 53545ZIP 53548ZIP 53534ZIP 53563ZIP 53536ZIP 53520ZIP 53525ZIP 53576ZIP 53537ZIP 53505ZIP 53501
Up the hierarchy
All counties in Wisconsin
Rankings
Highest income countiesLowest poverty counties

DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →