Allen vs Bivalve

A side-by-side comparison of Allen and Bivalve: population, income, housing, and more.

Allen and Bivalve are places in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Bivalve has the higher population (164 vs 125 in Allen). Since 2019, Bivalve's population has grown faster (+50.5% vs -72.4%).

Population, income & housing

	Allen	Bivalve
Population	125	164
Median age	69.3 yrs	43.5 yrs
Median household income	$133,201	—
Median home value	$233,500	—
Housing units	59	152
Homeownership rate	100.0%	100.0%
Bachelor's degree or higher	58.4%	0.0%
Unemployment rate	0.0%	0.0%

Trends (ACS 5-year, 2019–2023)

	Allen	Bivalve
Population	453 → 125 (-72.4%)	109 → 164 (+50.5%)
Median household income	$113,816 → $133,201 (+17.0%)	—
Median home value	$184,800 → $233,500 (+26.4%)	$253,600 → $404,300 (+59.4%)

Allen

Population

453125

Median household income

$113,816$133,201

Median home value

$184,800$233,500

Bivalve

Population

109164

Median home value

$253,600$404,300

Age & race/ethnicity

Age distribution (share)

	Allen	Bivalve
Under 5	0.0%	0.0%
5 to 17	0.0%	0.0%
18 to 24	0.0%	40.2%
25 to 34	0.0%	0.0%
35 to 44	0.0%	18.3%
45 to 54	0.0%	14.0%
55 to 64	0.0%	0.0%
65 to 74	91.2%	0.0%
75 and over	8.8%	27.4%

Race & ethnicity (share)

	Allen	Bivalve
White (non-Hispanic)	98.4%	27.4%
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	1.6%	0.0%
Hispanic or Latino	0.0%	72.6%

Educational attainment (age 25+)

Share of adults 25+

	Allen	Bivalve
No high school diploma	0.0%	0.0%
High school graduate	41.6%	23.5%
Some college or associate's	0.0%	76.5%
Bachelor's degree	58.4%	0.0%
Graduate or professional degree	0.0%	0.0%

Commute to work

How workers get to work (share)

	Allen	Bivalve
Drove alone	100.0%	0.0%
Carpooled	0.0%	100.0%
Public transit	0.0%	0.0%
Walked	0.0%	0.0%
Bicycle	0.0%	0.0%
Worked from home	0.0%	0.0%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Allen	Bivalve
1-unit, detached	100.0%	100.0%
1-unit, attached	0.0%	0.0%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	0.0%	0.0%

Poverty & households

	Allen	Bivalve
Poverty rate	0.0%	27.4%
Average household size	2.12	2.19
Median year structure built	1993	1965