US ZIP Code 21221 Nativity & Citizenship Status (2024)

Approximately 8.2% of residents in US ZIP Code 21221 were born outside the United States.

The vast majority of residents, roughly 97.2%, are U.S. citizens (including both native-born and naturalized citizens).

Place of birth and citizenship status analysis for US ZIP Code 21221

Demographics Overview

91.8%

8.2%

5.4%

97.2%

**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	43,487	8.2%	91.8%
2023	43,536	8.3%	91.7%
2022	43,822	8.8%	91.2%
2021	43,576	8.1%	91.9%

Approximately 8.2% of residents in US ZIP Code 21221 were born outside the United States.

The vast majority of residents, roughly 97.2%, are U.S. citizens (including both native-born and naturalized citizens).