US ZIP Code 21901 Nativity & Citizenship Status (2024)

Approximately 1.9% of residents in US ZIP Code 21901 were born outside the United States.

The vast majority of residents, roughly 99.6%, are U.S. citizens (including both native-born and naturalized citizens).

Place of birth and citizenship status analysis for US ZIP Code 21901

Demographics Overview

98.1%

1.9%

1.5%

99.6%

**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	19,514	1.9%	98.1%
2023	19,585	1.9%	98.1%
2022	19,938	3.3%	96.7%
2021	18,635	3.4%	96.6%

Approximately 1.9% of residents in US ZIP Code 21901 were born outside the United States.

The vast majority of residents, roughly 99.6%, are U.S. citizens (including both native-born and naturalized citizens).