US ZIP Code 21204 Nativity & Citizenship Status (2024)

Approximately 7.8% of residents in US ZIP Code 21204 were born outside the United States.

The vast majority of residents, roughly 96.9%, are U.S. citizens (including both native-born and naturalized citizens).

Place of birth and citizenship status analysis for US ZIP Code 21204

Demographics Overview

92.2%

7.8%

4.7%

96.9%

**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	19,845	7.8%	92.2%
2023	19,605	8.6%	91.4%
2022	20,188	10.0%	90.0%
2021	21,378	10.2%	89.8%

Approximately 7.8% of residents in US ZIP Code 21204 were born outside the United States.

The vast majority of residents, roughly 96.9%, are U.S. citizens (including both native-born and naturalized citizens).