Janesville, IA
Population 1,012 · Iowa
About Janesville, IA
Janesville is a small community in Iowa with a population of 1,012 residents. The median household income is $84,231 per year, which is above the national average. The median age in Janesville is 44.7 years.
Housing in Janesville has a median home value of $214,700 and median monthly rent of $625. Of the 456 total housing units, the majority are owner-occupied, with 360 owner-occupied and 38 renter-occupied units.
The unemployment rate in Janesville is 3.0% and the poverty rate is 5.8%. 25.8% of residents hold a bachelor's degree or higher. The average commute time is 20.9 minutes.
Cost of Living in Janesville, IA
Compared to national averages, Janesville has a median household income of $84,231 (12% above the national median of $75,149). Home values average $214,700, which is 12% below the national median. Monthly rent at $625 is 46% below the US average of $1,163. Within Iowa, Janesville's income is 24% above the state average of $67,947, and home values are 62% above the state median of $132,237.
Why Live in Janesville, IA?
Janesville offers a strong local economy with a median household income of $84,231, well above the national average, and affordable housing with a median home value of $214,700, below the US average of $244,900, and rent that’s lower than the national average at $625/month. Additionally, the city features a strong job market with an unemployment rate of just 3.0%, and a low poverty rate of 5.8%, better than the national average, and short commute times averaging just 20.9 minutes.
Janesville has a population of 1,012 with a median age of 44.7 years. Compare Janesville with other cities to see how it stacks up, or explore all cities in Iowa.
Similar Cities Near Janesville
Cities in Iowa with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Aplington | 1,012 | $70,093 | $131,800 | Compare |
| Newhall | 1,012 | $68,295 | $171,500 | Compare |
| Keosauqua | 1,014 | $52,083 | $108,000 | Compare |
| Griswold | 1,020 | $61,167 | $89,400 | Compare |
| Villisca | 1,004 | $58,469 | $74,100 | Compare |
| Lake View | 1,021 | $66,118 | $154,800 | Compare |
| Woodward | 1,002 | $68,571 | $179,500 | Compare |
| Buffalo Center | 1,000 | $49,474 | $93,800 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Iowa
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Janesville
What is the population of Janesville, IA?
The population of Janesville, IA is 1,012 according to the latest Census data.
What is the median household income in Janesville?
The median household income in Janesville, IA is $84,231 per year.
What is the median home value in Janesville?
The median home value in Janesville, IA is $214,700.
What is the average rent in Janesville?
The median monthly rent in Janesville, IA is $625.
What is the unemployment rate in Janesville?
The unemployment rate in Janesville, IA is 3.0%.