US ZIP Code 21001 Nativity & Citizenship Status (2024)

Approximately 8.9% of residents in US ZIP Code 21001 were born outside the United States.

The vast majority of residents, roughly 96.6%, are U.S. citizens (including both native-born and naturalized citizens).

Place of birth and citizenship status analysis for US ZIP Code 21001

Demographics Overview

91.1%

8.9%

5.5%

96.6%

**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	27,168	8.9%	91.1%
2023	26,121	8.2%	91.8%
2022	25,908	8.0%	92.0%
2021	25,708	6.2%	93.8%

Approximately 8.9% of residents in US ZIP Code 21001 were born outside the United States.

The vast majority of residents, roughly 96.6%, are U.S. citizens (including both native-born and naturalized citizens).