Allerton vs Promise City

A side-by-side comparison of Allerton and Promise City: population, income, housing, and more.

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

Allerton has the higher population (413 vs 86 in Promise City). Allerton has the higher median household income ($45,417 vs $41,406 in Promise City). Allerton has the higher median home value ($85,000 vs $52,800 in Promise City).

Population, income & housing

	Allerton	Promise City
Population	413	86
Median age	44.5 yrs	54.5 yrs
Median household income	$45,417	$41,406
Median home value	$85,000	$52,800
Median gross rent	$583	—
Housing units	207	53
Homeownership rate	79.3%	86.0%
Bachelor's degree or higher	15.5%	7.5%
Unemployment rate	3.8%	0.0%

Trends (ACS 5-year, 2019–2023)

	Allerton	Promise City
Population	497 → 413 (-16.9%)	78 → 86 (+10.3%)
Median household income	$39,464 → $45,417 (+15.1%)	$20,938 → $41,406 (+97.8%)
Median home value	$45,800 → $85,000 (+85.6%)	$46,700 → $52,800 (+13.1%)
Median gross rent	$464 → $583 (+25.6%)	—

Allerton

Population

497413

Median household income

$39,464$45,417

Median home value

$45,800$85,000

Median gross rent

$464$583

Promise City

Population

7886

Median household income

$20,938$41,406

Median home value

$46,700$52,800

Age & race/ethnicity

Age distribution (share)

	Allerton	Promise City
Under 5	4.1%	7.0%
5 to 17	22.8%	15.1%
18 to 24	9.0%	0.0%
25 to 34	6.5%	16.3%
35 to 44	8.7%	0.0%
45 to 54	21.8%	11.6%
55 to 64	6.1%	23.3%
65 to 74	9.2%	9.3%
75 and over	11.9%	17.4%

Race & ethnicity (share)

	Allerton	Promise City
White (non-Hispanic)	90.1%	98.8%
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	9.9%	1.2%
Hispanic or Latino	0.0%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Allerton	Promise City
No high school diploma	0.8%	13.4%
High school graduate	27.2%	52.2%
Some college or associate's	56.6%	26.9%
Bachelor's degree	10.6%	7.5%
Graduate or professional degree	4.9%	0.0%

Commute to work

How workers get to work (share)

	Allerton	Promise City
Drove alone	82.8%	96.7%
Carpooled	11.5%	3.3%
Public transit	0.0%	0.0%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	4.4%	0.0%
Other means	1.3%	0.0%

Housing

Units in structure (share)

	Allerton	Promise City
1-unit, detached	85.5%	96.2%
1-unit, attached	3.4%	0.0%
2 to 4 units	10.1%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	1.0%	3.8%

Poverty & households

	Allerton	Promise City
Poverty rate	25.2%	19.8%
Average household size	2.44	2.00
Mean commute (minutes)	20	31
Median year structure built	1950	1949