US5.com
  1. Home
  2. States
  3. Maryland
  4. ZIP 21220
  5. People & Community
Middle River CDP, MD

ZIP 21220 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 21220

21220 has a population of 42,936 with a median age of 38.0 yrs (47.7% male).

Race & Ethnicity
White
58.0%-6% vs US avg
x
Black
27.1%+119% vs US avg
x
Asian
5.1%-14% vs US avg
x
Hispanic
5.7%-70% vs US avg
x
Other / Two+
4.1%
x
Age Groups
0–17
23.4%+6% vs US avg
x
18–64
63.7%+3% vs US avg
x
65+
13.0%-20% vs US avg
x
Education
Less than HS
11.2%+1% vs US avg
x
High school
34.6%+32% vs US avg
x
Some college
27.7%-4% vs US avg
x
Bachelor's+
26.4%-22% vs US avg
x
Marital Status
Married
47.4%-2% vs US avg
x
Never married
38.1%+13% vs US avg
x
Divorced
8.8%-15% vs US avg
x
Widowed / Separated
5.8%
x
Diversity Index
58/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
14.3%+25% vs US avg
x
Foreign Born
44.5%+220% vs US avg
x
Veterans
6.2%+3% vs US avg
x
Disability
12.7%-5% vs US avg
x
Single Parent
13.1%+62% vs US avg
x
Recent Births
60.2%+937% vs US avg
x
Top ancestry
GermanIrishEnglish

Health & Community Indicators in 21220

Poverty Rate
14.3%+25% vs US avg
x
Veterans
6.2%+3% vs US avg
x
Foreign Born
44.5%+220% vs US avg
x
Single Parent
13.1%+62% vs US avg
x
Disability
12.7%-5% vs US avg
x
Uninsured
7.1%-11% vs US avg
x
SNAP Benefits
13.8%+18% vs US avg
x
Private School
0.1%-99% vs US avg
x
Recent Births
60.2%+937% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population42,936
Median age38.0
Poverty rate14.3%
Demographics statistics
Demographics
White58.0%
Hispanic5.7%
Black27.1%
Asian5.1%
Foreign-born44.5%