Decatur vs Grand River

A side-by-side comparison of Decatur and Grand River: population, income, housing, and more.

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

Grand River has the higher population (189 vs 163 in Decatur). Grand River has the higher median household income ($35,833 vs $33,750 in Decatur). Decatur has the higher median home value ($84,200 vs $38,400 in Grand River).

Population, income & housing

	Decatur	Grand River
Population	163	189
Median age	38.8 yrs	46.1 yrs
Median household income	$33,750	$35,833
Median home value	$84,200	$38,400
Median gross rent	—	$844
Housing units	93	127
Homeownership rate	95.5%	70.4%
Bachelor's degree or higher	3.4%	12.8%
Unemployment rate	1.3%	10.8%

Trends (ACS 5-year, 2019–2023)

	Decatur	Grand River
Population	—	219 → 189 (-13.7%)
Median household income	—	$40,500 → $35,833 (-11.5%)
Median home value	—	$32,000 → $38,400 (+20.0%)
Median gross rent	—	$531 → $844 (+58.9%)

Decatur

Grand River

Population

219189

Median household income

$40,500$35,833

Median home value

$32,000$38,400

Median gross rent

$531$844

Age & race/ethnicity

Age distribution (share)

	Decatur	Grand River
Under 5	8.0%	6.3%
5 to 17	10.4%	5.8%
18 to 24	27.0%	13.2%
25 to 34	2.5%	11.6%
35 to 44	12.9%	8.5%
45 to 54	8.0%	16.4%
55 to 64	15.3%	9.5%
65 to 74	7.4%	12.7%
75 and over	8.6%	15.9%

Race & ethnicity (share)

	Decatur	Grand River
White (non-Hispanic)	87.1%	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	8.6%	0.0%
Hispanic or Latino	4.3%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Decatur	Grand River
No high school diploma	15.7%	3.5%
High school graduate	53.9%	50.4%
Some college or associate's	27.0%	33.3%
Bachelor's degree	3.4%	5.7%
Graduate or professional degree	0.0%	7.1%

Commute to work

How workers get to work (share)

	Decatur	Grand River
Drove alone	94.7%	93.2%
Carpooled	4.0%	4.1%
Public transit	0.0%	0.0%
Walked	1.3%	0.0%
Bicycle	0.0%	0.0%
Worked from home	0.0%	2.7%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Decatur	Grand River
1-unit, detached	68.8%	81.1%
1-unit, attached	0.0%	3.1%
2 to 4 units	0.0%	14.2%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	31.2%	1.6%

Poverty & households

	Decatur	Grand River
Poverty rate	31.3%	20.1%
Average household size	2.47	1.93
Mean commute (minutes)	38	30
Median year structure built	1977	1938