Janesville vs Tripoli

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

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

Tripoli has the higher population (1,256 vs 1,012 in Janesville). Janesville has the higher median household income ($84,231 vs $75,988 in Tripoli). Janesville has the higher median home value ($214,700 vs $116,200 in Tripoli).

Population, income & housing

	Janesville	Tripoli
Population	1,012	1,256
Median age	44.7 yrs	42.8 yrs
Median household income	$84,231	$75,988
Median home value	$214,700	$116,200
Median gross rent	$625	$888
Housing units	456	569
Homeownership rate	90.5%	83.1%
Bachelor's degree or higher	25.8%	22.7%
Unemployment rate	3.0%	2.8%

Trends (ACS 5-year, 2019–2023)

	Janesville	Tripoli
Population	981 → 1,012 (+3.2%)	1,302 → 1,256 (-3.5%)
Median household income	$63,750 → $84,231 (+32.1%)	$57,386 → $75,988 (+32.4%)
Median home value	$167,200 → $214,700 (+28.4%)	$91,200 → $116,200 (+27.4%)
Median gross rent	$625 → $625 (+0.0%)	$555 → $888 (+60.0%)

Janesville

Population

9811,012

Median household income

$63,750$84,231

Median home value

$167,200$214,700

Median gross rent

$625$625

Tripoli

Population

1,3021,256

Median household income

$57,386$75,988

Median home value

$91,200$116,200

Median gross rent

$555$888

Age & race/ethnicity

Age distribution (share)

	Janesville	Tripoli
Under 5	7.2%	6.0%
5 to 17	17.0%	14.1%
18 to 24	4.4%	11.0%
25 to 34	12.0%	11.9%
35 to 44	9.9%	8.3%
45 to 54	12.7%	17.0%
55 to 64	20.6%	10.4%
65 to 74	12.3%	9.3%
75 and over	4.0%	11.9%

Race & ethnicity (share)

	Janesville	Tripoli
White (non-Hispanic)	97.4%	90.7%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	1.3%
Two or more races	0.4%	6.2%
Hispanic or Latino	2.2%	1.8%

Educational attainment (age 25+)

Share of adults 25+

	Janesville	Tripoli
No high school diploma	1.7%	5.2%
High school graduate	27.4%	34.4%
Some college or associate's	45.2%	37.6%
Bachelor's degree	22.4%	15.1%
Graduate or professional degree	3.3%	7.6%

Commute to work

How workers get to work (share)

	Janesville	Tripoli
Drove alone	80.0%	82.5%
Carpooled	10.2%	3.5%
Public transit	0.0%	0.0%
Walked	3.6%	2.4%
Bicycle	0.0%	0.5%
Worked from home	6.2%	8.5%
Other means	0.0%	2.6%

Housing

Units in structure (share)

	Janesville	Tripoli
1-unit, detached	86.6%	82.2%
1-unit, attached	3.7%	0.5%
2 to 4 units	5.5%	14.6%
5 to 19 units	1.1%	2.6%
20 or more units	0.0%	0.0%
Mobile home & other	3.1%	0.0%

Poverty & households

	Janesville	Tripoli
Poverty rate	5.8%	2.9%
Average household size	2.54	2.27
Mean commute (minutes)	21	29
Median year structure built	1973	1957