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Columbia CDP, MD

ZIP 21046 — 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 21046

21046 has a population of 15,433 with a median age of 37.5 yrs (49.4% male).

Race & Ethnicity
White
51.3%-17% vs US avg
x
Black
31.3%+152% vs US avg
x
Asian
6.9%+17% vs US avg
x
Hispanic
6.1%-68% vs US avg
x
Other / Two+
4.4%
x
Age Groups
0–17
20.7%-6% vs US avg
x
18–64
67.1%+9% vs US avg
x
65+
12.2%-25% vs US avg
x
Education
Less than HS
2.1%-81% vs US avg
x
High school
12.1%-54% vs US avg
x
Some college
23.8%-18% vs US avg
x
Bachelor's+
62.0%+84% vs US avg
x
Marital Status
Married
48.0%-0% vs US avg
x
Never married
39.7%+18% vs US avg
x
Divorced
9.1%-11% vs US avg
x
Widowed / Separated
3.1%
x
Diversity Index
63/100

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

Social & household profile

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

Poverty Rate
8.4%-27% vs US avg
x
Foreign Born
33.3%+140% vs US avg
x
Veterans
7.0%+17% vs US avg
x
Disability
6.5%-52% vs US avg
x
Single Parent
13.2%+62% vs US avg
x
Recent Births
43.4%+649% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 21046

Poverty Rate
8.4%-27% vs US avg
x
Veterans
7.0%+17% vs US avg
x
Foreign Born
33.3%+140% vs US avg
x
Single Parent
13.2%+62% vs US avg
x
Disability
6.5%-52% vs US avg
x
Uninsured
3.0%-62% vs US avg
x
SNAP Benefits
5.0%-57% vs US avg
x
Private School
0.4%-96% vs US avg
x
Recent Births
43.4%+649% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population15,433
Median age37.5
Poverty rate8.4%
Demographics statistics
Demographics
White51.3%
Hispanic6.1%
Black31.3%
Asian6.9%
Foreign-born33.3%