Carter Lake vs Walnut

A side-by-side comparison of Carter Lake and Walnut: population, income, housing, and more.

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

Carter Lake has the higher population (3,773 vs 1,339 in Walnut). Carter Lake has the higher median household income ($75,037 vs $65,278 in Walnut). Carter Lake has the higher median home value ($161,200 vs $97,900 in Walnut).

Population, income & housing

	Carter Lake	Walnut
Population	3,773	1,339
Median age	40.1 yrs	66.6 yrs
Median household income	$75,037	$65,278
Median home value	$161,200	$97,900
Median gross rent	$1,115	$844
Housing units	1,461	412
Homeownership rate	84.3%	72.5%
Bachelor's degree or higher	12.9%	15.8%
Unemployment rate	4.7%	3.4%

Trends (ACS 5-year, 2019–2023)

	Carter Lake	Walnut
Population	3,796 → 3,773 (-0.6%)	764 → 1,339 (+75.3%)
Median household income	$58,839 → $75,037 (+27.5%)	$46,625 → $65,278 (+40.0%)
Median home value	$113,900 → $161,200 (+41.5%)	$102,900 → $97,900 (-4.9%)
Median gross rent	$917 → $1,115 (+21.6%)	$823 → $844 (+2.6%)

Carter Lake

Population

3,7963,773

Median household income

$58,839$75,037

Median home value

$113,900$161,200

Median gross rent

$917$1,115

Walnut

Population

7641,339

Median household income

$46,625$65,278

Median home value

$102,900$97,900

Median gross rent

$823$844

Age & race/ethnicity

Age distribution (share)

	Carter Lake	Walnut
Under 5	5.6%	2.7%
5 to 17	19.7%	9.2%
18 to 24	9.8%	1.0%
25 to 34	10.7%	8.0%
35 to 44	10.8%	3.5%
45 to 54	9.9%	7.9%
55 to 64	18.2%	14.8%
65 to 74	10.9%	19.7%
75 and over	4.3%	33.2%

Race & ethnicity (share)

	Carter Lake	Walnut
White (non-Hispanic)	75.3%	95.1%
Black or African American	0.6%	0.7%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.6%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	1.1%	0.0%
Two or more races	2.6%	0.4%
Hispanic or Latino	19.9%	3.8%

Educational attainment (age 25+)

Share of adults 25+

	Carter Lake	Walnut
No high school diploma	9.8%	11.4%
High school graduate	52.6%	42.1%
Some college or associate's	24.8%	30.7%
Bachelor's degree	6.9%	11.2%
Graduate or professional degree	6.0%	4.5%

Commute to work

How workers get to work (share)

	Carter Lake	Walnut
Drove alone	84.5%	85.5%
Carpooled	3.4%	4.3%
Public transit	0.0%	0.0%
Walked	1.4%	0.0%
Bicycle	0.0%	0.0%
Worked from home	10.8%	9.4%
Other means	0.0%	0.8%

Housing

Units in structure (share)

	Carter Lake	Walnut
1-unit, detached	74.3%	86.2%
1-unit, attached	3.8%	0.0%
2 to 4 units	0.7%	4.6%
5 to 19 units	1.3%	0.0%
20 or more units	0.0%	7.8%
Mobile home & other	19.8%	1.5%

Poverty & households

	Carter Lake	Walnut
Poverty rate	15.2%	9.7%
Average household size	2.72	2.01
Mean commute (minutes)	19	26
Median year structure built	1972	1938