US ZIP Code 63121 Nativity & Citizenship Status (2024)

Approximately 3.2% of residents in US ZIP Code 63121 were born outside the United States.

The vast majority of residents, roughly 97.7%, are U.S. citizens (including both native-born and naturalized citizens).

Place of birth and citizenship status analysis for US ZIP Code 63121

Demographics Overview

96.8%

3.2%

0.9%

97.7%

**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	25,008	3.2%	96.8%
2023	24,571	2.4%	97.6%
2022	24,126	2.1%	97.9%
2021	23,760	1.9%	98.1%

Approximately 3.2% of residents in US ZIP Code 63121 were born outside the United States.

The vast majority of residents, roughly 97.7%, are U.S. citizens (including both native-born and naturalized citizens).