Janesville vs Johnstonville

A side-by-side comparison of Janesville and Johnstonville: population, income, housing, and more.

Janesville and Johnstonville are places in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Janesville has the higher population (2,447 vs 967 in Johnstonville). Johnstonville has the higher median household income ($98,188 vs $70,938 in Janesville). Janesville has the higher median home value ($289,400 vs $278,900 in Johnstonville).

Population, income & housing

	Janesville	Johnstonville
Population	2,447	967
Median age	52.5 yrs	41.5 yrs
Median household income	$70,938	$98,188
Median home value	$289,400	$278,900
Median gross rent	$1,365	$1,335
Housing units	1,198	341
Homeownership rate	74.1%	87.8%
Bachelor's degree or higher	12.1%	15.6%
Unemployment rate	4.5%	14.8%

Trends (ACS 5-year, 2019–2023)

	Janesville	Johnstonville
Population	1,409 → 2,447 (+73.7%)	1,132 → 967 (-14.6%)
Median household income	$71,346 → $70,938 (-0.6%)	$75,781 → $98,188 (+29.6%)
Median home value	$286,500 → $289,400 (+1.0%)	$216,700 → $278,900 (+28.7%)
Median gross rent	$1,254 → $1,365 (+8.9%)	$1,119 → $1,335 (+19.3%)

Janesville

Population

1,4092,447

Median household income

$71,346$70,938

Median home value

$286,500$289,400

Median gross rent

$1,254$1,365

Johnstonville

Population

1,132967

Median household income

$75,781$98,188

Median home value

$216,700$278,900

Median gross rent

$1,119$1,335

Age & race/ethnicity

Age distribution (share)

	Janesville	Johnstonville
Under 5	2.7%	2.8%
5 to 17	10.8%	15.1%
18 to 24	9.1%	6.7%
25 to 34	8.1%	15.9%
35 to 44	7.3%	14.5%
45 to 54	15.2%	9.8%
55 to 64	22.8%	15.0%
65 to 74	11.4%	10.1%
75 and over	12.7%	10.0%

Race & ethnicity (share)

	Janesville	Johnstonville
White (non-Hispanic)	81.5%	76.5%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	1.0%	0.0%
Asian	0.5%	1.0%
Native Hawaiian & Pacific Islander	0.0%	0.6%
Some other race	0.0%	2.4%
Two or more races	2.9%	3.4%
Hispanic or Latino	14.1%	16.0%

Educational attainment (age 25+)

Share of adults 25+

	Janesville	Johnstonville
No high school diploma	14.0%	3.4%
High school graduate	29.2%	35.8%
Some college or associate's	44.7%	45.1%
Bachelor's degree	10.1%	14.0%
Graduate or professional degree	2.0%	1.6%

Commute to work

How workers get to work (share)

	Janesville	Johnstonville
Drove alone	81.9%	81.5%
Carpooled	10.0%	5.0%
Public transit	0.0%	0.0%
Walked	1.9%	2.3%
Bicycle	0.0%	0.0%
Worked from home	6.2%	10.3%
Other means	0.0%	0.9%

Housing

Units in structure (share)

	Janesville	Johnstonville
1-unit, detached	67.4%	78.3%
1-unit, attached	1.5%	0.0%
2 to 4 units	1.4%	0.9%
5 to 19 units	8.3%	2.6%
20 or more units	0.0%	0.0%
Mobile home & other	21.3%	18.2%

Poverty & households

	Janesville	Johnstonville
Poverty rate	6.7%	2.7%
Average household size	2.36	3.03
Mean commute (minutes)	18	17
Median year structure built	1985	1978