US ZIP Code 01721 Nativity & Citizenship Status (2024)

Approximately 23.8% of residents in US ZIP Code 01721 were born outside the United States.

The vast majority of residents, roughly 86.0%, are U.S. citizens (including both native-born and naturalized citizens).

Place of birth and citizenship status analysis for US ZIP Code 01721

Demographics Overview

76.2%

23.8%

9.9%

86.0%

**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	18,873	23.8%	76.2%
2023	18,694	21.9%	78.1%
2022	18,634	21.9%	78.1%
2021	18,646	23.0%	77.0%

Approximately 23.8% of residents in US ZIP Code 01721 were born outside the United States.

The vast majority of residents, roughly 86.0%, are U.S. citizens (including both native-born and naturalized citizens).