Martelle vs Onslow

A side-by-side comparison of Martelle and Onslow: population, income, housing, and more.

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

Martelle has the higher population (432 vs 306 in Onslow). Martelle has the higher median household income ($95,000 vs $42,813 in Onslow). Martelle has the higher median home value ($130,000 vs $96,500 in Onslow).

Population, income & housing

	Martelle	Onslow
Population	432	306
Median age	33.7 yrs	28.0 yrs
Median household income	$95,000	$42,813
Median home value	$130,000	$96,500
Median gross rent	$720	—
Housing units	151	118
Homeownership rate	84.5%	82.5%
Bachelor's degree or higher	16.0%	14.3%
Unemployment rate	10.7%	0.9%

Trends (ACS 5-year, 2019–2023)

	Martelle	Onslow
Population	232 → 432 (+86.2%)	248 → 306 (+23.4%)
Median household income	$51,250 → $95,000 (+85.4%)	$31,563 → $42,813 (+35.6%)
Median home value	$108,800 → $130,000 (+19.5%)	$74,400 → $96,500 (+29.7%)
Median gross rent	$650 → $720 (+10.8%)	$595 → $750 (+26.1%)

Martelle

Population

232432

Median household income

$51,250$95,000

Median home value

$108,800$130,000

Median gross rent

$650$720

Onslow

Population

248306

Median household income

$31,563$42,813

Median home value

$74,400$96,500

Median gross rent

$595$750

Age & race/ethnicity

Age distribution (share)

	Martelle	Onslow
Under 5	5.6%	5.2%
5 to 17	27.1%	35.6%
18 to 24	7.9%	6.5%
25 to 34	10.6%	9.2%
35 to 44	18.8%	22.2%
45 to 54	15.7%	6.2%
55 to 64	9.0%	7.2%
65 to 74	3.0%	3.3%
75 and over	2.3%	4.6%

Race & ethnicity (share)

	Martelle	Onslow
White (non-Hispanic)	81.9%	92.2%
Black or African American	0.9%	2.9%
American Indian & Alaska Native	0.0%	2.6%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	15.7%	0.0%
Hispanic or Latino	1.4%	2.3%

Educational attainment (age 25+)

Share of adults 25+

	Martelle	Onslow
No high school diploma	1.6%	1.9%
High school graduate	37.7%	32.3%
Some college or associate's	44.7%	51.6%
Bachelor's degree	12.5%	9.3%
Graduate or professional degree	3.5%	5.0%

Commute to work

How workers get to work (share)

	Martelle	Onslow
Drove alone	79.3%	84.1%
Carpooled	5.5%	10.6%
Public transit	0.0%	0.0%
Walked	3.2%	0.0%
Bicycle	0.0%	0.0%
Worked from home	12.0%	5.3%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Martelle	Onslow
1-unit, detached	96.0%	89.0%
1-unit, attached	0.7%	0.0%
2 to 4 units	3.3%	5.1%
5 to 19 units	0.0%	0.8%
20 or more units	0.0%	0.0%
Mobile home & other	0.0%	5.1%

Poverty & households

	Martelle	Onslow
Poverty rate	10.6%	34.6%
Average household size	3.04	2.97
Mean commute (minutes)	28	29
Median year structure built	1943	1938