Rock County, WI
Demographics & Statistics
Updated: 2025-10-25
Updated: 2025-10-25
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 163,944.
The median home value in Rock County is $285,122.
The median income in Rock County is $74,390.
The median rent in Rock County is $1,019.
The unemployment rate in Rock County is 4.0%.
The poverty rate in Rock County is 10.0%.
The average high in Rock County is 65.7° and there are 79.1 inches of rainfall annually.
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.
| Stat | Rock County |
|---|---|
| Mean High | 65.7 |
| Nice Days | 72.94 |
| Rainfall | 79.1 |
| Snowfall | 11.9 |
| Sunny Hours | 4:34 |
The current population in Rock County is 163,944. The population has increased 0.8% from 2019.
| Year | Population | % Change |
|---|---|---|
| 2023 | 163,522 | 0.6% |
| 2022 | 162,532 | 0.2% |
| 2021 | 162,152 | - |
Rock County is 50.3% female with 82,538 female residents.
Rock County is 49.7% male with 81,406 male residents.
| Gender | Rock County | WI | USA |
|---|---|---|---|
| Female | 50.3% | 49.9% | 50.5% |
| Male | 49.7% | 50.1% | 49.5% |
Rock County is:
80.2% White with 131,551 White residents.
4.6% African American with 7,530 African American residents.
0.0% American Indian with 67 American Indian residents.
1.1% Asian with 1,865 Asian residents.
0.0% Hawaiian with 25 Hawaiian residents.
0.2% Other with 383 Other residents.
3.9% Two Or More with 6,360 Two Or More residents.
9.9% Hispanic with 16,163 Hispanic residents.
| Race | Rock County | WI | USA |
|---|---|---|---|
| White | 80.2% | 79.2% | 58.2% |
| African American | 4.6% | 6.0% | 12.0% |
| American Indian | 0.0% | 0.6% | 0.5% |
| Asian | 1.1% | 2.9% | 5.7% |
| Hawaiian | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.3% | 0.5% |
| Two Or More | 3.9% | 3.3% | 3.9% |
| Hispanic | 9.9% | 7.8% | 19.0% |
4.1% of households in Rock County earn Less than $10,000.
2.7% of households in Rock County earn $10,000 to $14,999.
6.3% of households in Rock County earn $15,000 to $24,999.
7.3% of households in Rock County earn $25,000 to $34,999.
11.0% of households in Rock County earn $35,000 to $49,999.
19.0% of households in Rock County earn $50,000 to $74,999.
16.7% of households in Rock County earn $75,000 to $99,999.
18.5% of households in Rock County earn $100,000 to $149,999.
8.2% of households in Rock County earn $150,000 to $199,999.
6.2% of households in Rock County earn $200,000 or more.
| Income | Rock County | WI | USA |
|---|---|---|---|
| Less than $10,000 | 4.1% | 4.0% | 4.9% |
| $10,000 to $14,999 | 2.7% | 3.2% | 3.6% |
| $15,000 to $24,999 | 6.3% | 6.2% | 6.6% |
| $25,000 to $34,999 | 7.3% | 7.4% | 6.8% |
| $35,000 to $49,999 | 11.0% | 10.9% | 10.4% |
| $50,000 to $74,999 | 19.0% | 17.8% | 15.7% |
| $75,000 to $99,999 | 16.7% | 14.0% | 12.7% |
| $100,000 to $149,999 | 18.5% | 18.9% | 17.4% |
| $150,000 to $199,999 | 8.2% | 8.9% | 9.3% |
| $200,000 or more | 6.2% | 8.6% | 12.6% |
2.0% of adults in Rock County completed < 9th grade.
5.0% of adults in Rock County completed 9-12th grade.
33.0% 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.
18.0% 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.
| Education | Rock County | WI | USA |
|---|---|---|---|
| < 9th Grade | 2% | 1% | 5% |
| 9-12th Grade | 5% | 4% | 6% |
| High School / GED | 33% | 30% | 26% |
| Some College | 22% | 20% | 19% |
| Associate's Degree | 12% | 11% | 9% |
| Bachelor's Degree | 18% | 22% | 21% |
| Master's Degree | 6% | 8% | 10% |
| Professional Degree | 1% | 2% | 2% |
| Doctorate Degree | 1% | 1% | 2% |
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