Rock County Summary

Life in Rock County research summary. HomeSnacks has been researching the quality of life in Rock County over the past eight years using Census data, FBI crime data, cost of living data, and other primary sources. Based on the most recently available data, we found the following about life in Rock County:

  • The population in Rock County is 163,817.

  • The median home value in Rock County is $244,966.

  • The median income in Rock County is $70,630.

  • The median rent in Rock County is $981.

  • The unemployment rate in Rock County is 3.9%.

  • The poverty rate in Rock County is 9.9%.

  • The average high in Rock County is 65.7° and there are 79.1 inches of rainfall annually.

Cities & Towns in Rock County

List Of Cities & Towns in Rock County

Janesville, WI Population 65,669

Beloit, WI Population 36,642

Edgerton, WI Population 5,878

Evansville, WI Population 5,720

Milton, WI Population 5,692

Brodhead, WI Population 3,221

Clinton, WI Population 1,938

Orfordville, WI Population 1,523

Footville, WI Population 939

Hanover, WI Population 151

Map Of Rock County

Rock County, WI Weather

  • The average high in Rock County is 65.7°.

  • There are 72.94 nice days each year.

  • Expect an average of 79.1 inches of rain each year with 11.9 inches of snow.

  • There is an average of 4:34 hours of sun each day in Rock County.

StatRock County
Mean High65.7
Nice Days72.94
Rainfall79.1
Snowfall11.9
Sunny_hours4:34
65.7°
Average High
79.1
Inches of Rain

Rock County Photos

Downtown Beloitwi
Source: Wikipedia User Jason Dean | CC BY 2.0
Beloitflag
Source: Wikipedia User | PD-US
Beloit College Sign
Source: Public Domain
Fairbanks Sign
Source: Wikipedia User | GFDL with disclaimers
Beloit Water Tower Place
Source: Wikipedia User Flickr User OldOnliner (M | CC BY-SA 2.0
Beloit Ironworks From Rock River
Source: Wikipedia User Danieljluebke | CC BY-SA 3.0

Rock County Demographics

Population over time in Rock County

The current population in Rock County is 163,817. The population has increased 0.8% from 2019.

Year Population % Change
2022 163,522 0.6%
2021 162,532 0.2%
2020 162,152 -

Gender in Rock County

  • Rock County is 50.2% female with 82,275 female residents.

  • Rock County is 49.8% male with 81,541 male residents.

Female
50.2% (82,275)
Male
49.8% (81,541)
Gender Rock County WI USA
Female 50.2% 49.9% 50.4%
Male 49.8% 50.1% 49.6%

Race / Ethnicity in Rock County

Rock County is:

  • 81.0% White with 132,758 White residents.

  • 4.6% African American with 7,485 African American residents.

  • 0.1% American Indian with 241 American Indian residents.

  • 1.1% Asian with 1,872 Asian residents.

  • 0.0% Hawaiian with 10 Hawaiian residents.

  • 0.2% Other with 370 Other residents.

  • 3.4% Two Or More with 5,561 Two Or More residents.

  • 9.5% Hispanic with 15,520 Hispanic residents.

White
81.0% (132,758)
African American
4.6% (7,485)
American Indian
0.1% (241)
Asian
1.1% (1,872)
Hawaiian
0.0% (10)
Other
0.2% (370)
Two Or More
3.4% (5,561)
Hispanic
9.5% (15,520)

Table: Rock County By Race

Race Rock County WI USA
White 81.0% 79.9% 58.9%
African American 4.6% 6.1% 12.1%
American Indian 0.1% 0.6% 0.6%
Asian 1.1% 2.8% 5.7%
Hawaiian 0.0% 0.0% 0.2%
Other 0.2% 0.2% 0.4%
Two Or More 3.4% 3.0% 3.5%
Hispanic 9.5% 7.3% 18.7%

Household Income For Rock County, Wisconsin

  • 3.7% of households in Rock County earn Less than $10,000.

  • 3.2% of households in Rock County earn $10,000 to $14,999.

  • 7.0% of households in Rock County earn $15,000 to $24,999.

  • 7.7% of households in Rock County earn $25,000 to $34,999.

  • 11.7% of households in Rock County earn $35,000 to $49,999.

  • 19.7% of households in Rock County earn $50,000 to $74,999.

  • 17.0% of households in Rock County earn $75,000 to $99,999.

  • 17.5% of households in Rock County earn $100,000 to $149,999.

  • 7.7% of households in Rock County earn $150,000 to $199,999.

  • 4.9% of households in Rock County earn $200,000 or more.

Less than $10,000
3.7% (6,023)
$10,000 to $14,999
3.2% (5,163)
$15,000 to $24,999
7.0% (11,421)
$25,000 to $34,999
7.7% (12,648)
$35,000 to $49,999
11.7% (19,108)
$50,000 to $74,999
19.7% (32,221)
$75,000 to $99,999
17.0% (27,822)
$100,000 to $149,999
17.5% (28,661)
$150,000 to $199,999
7.7% (12,653)
$200,000 or more
4.9% (8,092)
Income Rock County WI USA
Less than $10,000 3.7% 4.0% 4.9%
$10,000 to $14,999 3.2% 3.4% 3.8%
$15,000 to $24,999 7.0% 6.6% 7.0%
$25,000 to $34,999 7.7% 7.9% 7.4%
$35,000 to $49,999 11.7% 11.4% 10.7%
$50,000 to $74,999 19.7% 18.2% 16.1%
$75,000 to $99,999 17.0% 14.2% 12.8%
$100,000 to $149,999 17.5% 18.4% 17.1%
$150,000 to $199,999 7.7% 8.2% 8.8%
$200,000 or more 4.9% 7.6% 11.4%

Highest level of educational attainment in Rock County for adults over 25

  • 3.0% of adults in Rock County completed < 9th grade.

  • 5.0% of adults in Rock County completed 9-12th grade.

  • 34.0% of adults in Rock County completed high school / ged.

  • 22.0% of adults in Rock County completed some college.

  • 12.0% of adults in Rock County completed associate's degree.

  • 16.0% of adults in Rock County completed bachelor's degree.

  • 6.0% of adults in Rock County completed master's degree.

  • 1.0% of adults in Rock County completed professional degree.

  • 1.0% of adults in Rock County completed doctorate degree.

< 9th Grade
3% (4,914)
9-12th Grade
5% (8,190)
High School / GED
34% (55,697)
Some College
22% (36,039)
Associate's Degree
12% (19,658)
Bachelor's Degree
16% (26,210)
Master's Degree
6% (9,829)
Professional Degree
1% (1,638)
Doctorate Degree
1% (1,638)
Education Rock County WI USA
< 9th Grade 3% 3% 3%
9-12th Grade 5% 4% 6%
High School / GED 34% 30% 26%
Some College 22% 20% 20%
Associate's Degree 12% 11% 9%
Bachelor's Degree 16% 21% 21%
Master's Degree 6% 8% 10%
Professional Degree 1% 2% 2%
Doctorate Degree 1% 1% 2%

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