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Ellicott City CDP, MD

ZIP 21043 — People & Community

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

Upper Middle ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 21043

21043 has a population of 47,134 with a median age of 39.4 yrs (49.6% male).

Race & Ethnicity
White
50.1%-19% vs US avg
x
Black
12.2%-2% vs US avg
x
Asian
25.4%+330% vs US avg
x
Hispanic
6.2%-67% vs US avg
x
Other / Two+
6.1%
x
Age Groups
0–17
25.0%+14% vs US avg
x
18–64
60.5%-2% vs US avg
x
65+
14.5%-11% vs US avg
x
Education
Less than HS
5.4%-51% vs US avg
x
High school
12.4%-52% vs US avg
x
Some college
17.9%-38% vs US avg
x
Bachelor's+
64.3%+91% vs US avg
x
Marital Status
Married
59.1%+23% vs US avg
x
Never married
28.1%-17% vs US avg
x
Divorced
8.2%-20% vs US avg
x
Widowed / Separated
4.6%
x
Diversity Index
66/100

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

Social & household profile

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

Poverty Rate
3.9%-66% vs US avg
x
Foreign Born
32.5%+134% vs US avg
x
Veterans
4.3%-29% vs US avg
x
Disability
8.1%-40% vs US avg
x
Single Parent
7.6%-6% vs US avg
x
Recent Births
41.3%+612% vs US avg
x
Top ancestry
GermanIrishEnglish

Health & Community Indicators in 21043

Poverty Rate
3.9%-66% vs US avg
x
Veterans
4.3%-29% vs US avg
x
Foreign Born
32.5%+134% vs US avg
x
Single Parent
7.6%-6% vs US avg
x
Disability
8.1%-40% vs US avg
x
Uninsured
3.9%-51% vs US avg
x
SNAP Benefits
4.4%-63% vs US avg
x
Private School
0.3%-97% vs US avg
x
Recent Births
41.3%+612% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population47,134
Median age39.4
Poverty rate3.9%
Demographics statistics
Demographics
White50.1%
Hispanic6.2%
Black12.2%
Asian25.4%
Foreign-born32.5%