US ZIP Code 01331 Nativity & Citizenship Status (2024)

Approximately 3.4% of residents in US ZIP Code 01331 were born outside the United States.

The vast majority of residents, roughly 98.8%, are U.S. citizens (including both native-born and naturalized citizens).

Place of birth and citizenship status analysis for US ZIP Code 01331

Demographics Overview

96.6%

3.4%

2.3%

98.8%

**Table 1:** Comparison of total population and nativity percentages over time.
Year	Total Pop	Foreign Born	Native Born
2024	13,922	3.4%	96.6%
2023	13,865	3.4%	96.6%
2022	13,845	3.5%	96.5%
2021	13,870	3.7%	96.3%

Approximately 3.4% of residents in US ZIP Code 01331 were born outside the United States.

The vast majority of residents, roughly 98.8%, are U.S. citizens (including both native-born and naturalized citizens).