Blockton vs Gravity

A side-by-side comparison of Blockton and Gravity: population, income, housing, and more.

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

Gravity has the higher population (171 vs 137 in Blockton). Blockton has the higher median household income ($77,917 vs $51,071 in Gravity). Since 2019, Gravity's population has grown faster (+17.1% vs +3.0%).

Population, income & housing

	Blockton	Gravity
Population	137	171
Median age	49.1 yrs	43.3 yrs
Median household income	$77,917	$51,071
Median home value	—	$48,600
Median gross rent	$729	$800
Housing units	99	97
Homeownership rate	55.1%	73.0%
Bachelor's degree or higher	11.7%	5.8%
Unemployment rate	2.4%	0.0%

Trends (ACS 5-year, 2019–2023)

	Blockton	Gravity
Population	133 → 137 (+3.0%)	146 → 171 (+17.1%)
Median household income	$35,833 → $77,917 (+117.4%)	$37,000 → $51,071 (+38.0%)
Median home value	$22,500 → $32,900 (+46.2%)	$30,000 → $48,600 (+62.0%)
Median gross rent	$467 → $729 (+56.1%)	$610 → $800 (+31.1%)

Blockton

Population

133137

Median household income

$35,833$77,917

Median home value

$22,500$32,900

Median gross rent

$467$729

Gravity

Population

146171

Median household income

$37,000$51,071

Median home value

$30,000$48,600

Median gross rent

$610$800

Age & race/ethnicity

Age distribution (share)

	Blockton	Gravity
Under 5	7.3%	2.3%
5 to 17	13.9%	19.3%
18 to 24	10.2%	7.6%
25 to 34	8.8%	8.8%
35 to 44	6.6%	14.6%
45 to 54	24.1%	7.0%
55 to 64	10.2%	21.6%
65 to 74	13.1%	14.0%
75 and over	5.8%	4.7%

Race & ethnicity (share)

	Blockton	Gravity
White (non-Hispanic)	90.5%	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	9.5%	0.0%
Hispanic or Latino	0.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Blockton	Gravity
No high school diploma	4.3%	14.0%
High school graduate	33.0%	45.5%
Some college or associate's	51.1%	34.7%
Bachelor's degree	8.5%	0.0%
Graduate or professional degree	3.2%	5.8%

Commute to work

How workers get to work (share)

	Blockton	Gravity
Drove alone	85.4%	72.9%
Carpooled	11.0%	20.8%
Public transit	0.0%	0.0%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	0.0%	6.3%
Other means	3.7%	0.0%

Housing

Units in structure (share)

	Blockton	Gravity
1-unit, detached	88.9%	94.8%
1-unit, attached	0.0%	0.0%
2 to 4 units	6.1%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	5.1%	5.2%

Poverty & households

	Blockton	Gravity
Poverty rate	3.6%	12.9%
Average household size	1.76	2.31
Mean commute (minutes)	33	25
Median year structure built	1951	1938