US ZIP Code 21009 Nativity & Citizenship Status (2024)

Approximately 6.3% of residents in US ZIP Code 21009 were born outside the United States.

The vast majority of residents, roughly 98.6%, are U.S. citizens (including both native-born and naturalized citizens).

Place of birth and citizenship status analysis for US ZIP Code 21009

Demographics Overview

93.7%

6.3%

4.9%

98.6%

**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	33,679	6.3%	93.7%
2023	33,444	7.0%	93.0%
2022	32,565	6.0%	94.0%
2021	31,964	6.6%	93.4%

Approximately 6.3% of residents in US ZIP Code 21009 were born outside the United States.

The vast majority of residents, roughly 98.6%, are U.S. citizens (including both native-born and naturalized citizens).