Portsmouth vs Tennant

A side-by-side comparison of Portsmouth and Tennant: population, income, housing, and more.

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

Portsmouth has the higher population (200 vs 57 in Tennant). Portsmouth has the higher median household income ($79,643 vs $53,068 in Tennant). Tennant has the higher median home value ($118,800 vs $115,500 in Portsmouth).

Population, income & housing

	Portsmouth	Tennant
Population	200	57
Median age	43.5 yrs	58.6 yrs
Median household income	$79,643	$53,068
Median home value	$115,500	$118,800
Median gross rent	$575	—
Housing units	105	41
Homeownership rate	93.9%	90.9%
Bachelor's degree or higher	10.7%	7.1%
Unemployment rate	0.0%	0.0%

Trends (ACS 5-year, 2019–2023)

	Portsmouth	Tennant
Population	126 → 200 (+58.7%)	70 → 57 (-18.6%)
Median household income	$56,250 → $79,643 (+41.6%)	$46,000 → $53,068 (+15.4%)
Median home value	$107,800 → $115,500 (+7.1%)	$81,000 → $118,800 (+46.7%)
Median gross rent	$583 → $575 (-1.4%)	—

Portsmouth

Population

126200

Median household income

$56,250$79,643

Median home value

$107,800$115,500

Median gross rent

$583$575

Tennant

Population

7057

Median household income

$46,000$53,068

Median home value

$81,000$118,800

Age & race/ethnicity

Age distribution (share)

	Portsmouth	Tennant
Under 5	7.0%	0.0%
5 to 17	17.0%	12.3%
18 to 24	1.5%	14.0%
25 to 34	15.5%	1.8%
35 to 44	10.5%	5.3%
45 to 54	19.5%	8.8%
55 to 64	15.0%	26.3%
65 to 74	10.0%	17.5%
75 and over	4.0%	14.0%

Race & ethnicity (share)

	Portsmouth	Tennant
White (non-Hispanic)	87.0%	100.0%
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%	0.0%
Two or more races	10.0%	0.0%
Hispanic or Latino	3.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Portsmouth	Tennant
No high school diploma	5.4%	11.9%
High school graduate	32.2%	54.8%
Some college or associate's	51.7%	26.2%
Bachelor's degree	8.1%	2.4%
Graduate or professional degree	2.7%	4.8%

Commute to work

How workers get to work (share)

	Portsmouth	Tennant
Drove alone	74.8%	96.6%
Carpooled	2.4%	0.0%
Public transit	0.0%	0.0%
Walked	12.6%	0.0%
Bicycle	0.0%	0.0%
Worked from home	7.1%	3.4%
Other means	3.1%	0.0%

Housing

Units in structure (share)

	Portsmouth	Tennant
1-unit, detached	98.1%	95.1%
1-unit, attached	0.0%	0.0%
2 to 4 units	1.0%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	1.0%	4.9%

Poverty & households

	Portsmouth	Tennant
Poverty rate	3.0%	0.0%
Average household size	2.04	1.73
Mean commute (minutes)	23	28
Median year structure built	1957	1938