Counties in Massachusetts by employer firm births

Middlesex County had the highest employer firm births of 14 counties in 2016, at 2,358. Nantucket County had the lowest, at 52. The median was 526 and the figure for Massachusetts was 9,070. Source: the U.S. Census Bureau.

Highest2,358Middlesex County

Lowest52Nantucket County

Median52614 counties

Massachusetts9,070History

Map of counties, 2016

Under 130
130 to 440
440 to 700
700 to 1,000
1,000 and over

count, 2016. Source: U.S. Census Bureau, Business Dynamics Statistics by firm age: employer firms of age zero, all covered industries, nation, states and counties from 1978. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2016

count. Source: U.S. Census Bureau, Business Dynamics Statistics by firm age: employer firms of age zero, all covered industries, nation, states and counties from 1978. Retrieved 2026-10-22.

Full ranking

Rank	Counties	2016 count	Change on 2015
1	Middlesex County	2,358	+8.4%
2	Suffolk County	1,101	+8.8%
3	Essex County	1,000	+13.1%
3	Norfolk County	1,000	+13.5%
5	Worcester County	888	+7.4%
6	Plymouth County	720	+28.1%
7	Bristol County	599	+11.3%
8	Barnstable County	452	+13%
9	Hampden County	432	+28.6%
10	Hampshire County	188	+16%
11	Berkshire County	163	+21.6%
12	Franklin County	74	+12.1%
13	Dukes County	57	+11.8%
14	Nantucket County	52	-1.9%

Other periods

About this ranking

New employer firms: firms of age zero in March of the year, meaning that every establishment of the firm had its first employees during the previous twelve months. United States: Census Bureau Business Dynamics Statistics, which calls these firms startups.

A firm counts only when it has employees, so a business without staff is not a birth, and a new branch, merger or change of ownership of an existing firm is not a birth either. Not the same as business_applications (requests for an employer number) or enterprise_births (European business demography). The year is the twelve months to March: 2023 compares March 2022 with March 2023.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Business Dynamics Statistics by firm age: employer firms of age zero, all covered industries, nation, states and counties from 1978. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty_fac.csv. Retrieved 2026-10-22.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2025). Business Dynamics Statistics by firm age: employer firms of age zero, all covered industries, nation, states and counties from 1978 (Counties in Massachusetts by employer firm births, 2016) [Data set]. Retrieved October 22, 2026, from https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty_fac.csv

MLA 9

Business Dynamics Statistics by firm age: employer firms of age zero, all covered industries, nation, states and counties from 1978, Counties in Massachusetts by employer firm births, 2016. U.S. Census Bureau, 25 Sept. 2025, https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty_fac.csv. Invokely, https://invokely.ai/rankings/employer-firm-births/massachusetts-counties?period=2016. Accessed 22 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2025. Business Dynamics Statistics by firm age: employer firms of age zero, all covered industries, nation, states and counties from 1978. Counties in Massachusetts by employer firm births, 2016. Dataset. Accessed October 22, 2026. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty_fac.csv. Also distributed by Invokely, https://invokely.ai/rankings/employer-firm-births/massachusetts-counties?period=2016.

Harvard

U.S. Census Bureau (2025) Business Dynamics Statistics by firm age: employer firms of age zero, all covered industries, nation, states and counties from 1978, Counties in Massachusetts by employer firm births, 2016 [Dataset]. Available at: https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty_fac.csv, via Invokely: https://invokely.ai/rankings/employer-firm-births/massachusetts-counties?period=2016 (Accessed: 22 October 2026).

BibTeX

@misc{census_counties_in_massachusetts_by_2016,
  author = {{U.S. Census Bureau}},
  title = {{Business Dynamics Statistics by firm age: employer firms of age zero, all covered industries, nation, states and counties from 1978: Counties in Massachusetts by employer firm births, 2016}},
  year = {2025},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty_fac.csv},
  urldate = {2026-10-22},
  note = {Accessed via Invokely, https://invokely.ai/rankings/employer-firm-births/massachusetts-counties?period=2016. Publisher attribution: U.S. Census Bureau. Business Dynamics Statistics by firm age: employer firms of age zero, all covered industries, nation, states and counties from 1978. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023\_st\_cty\_fac.csv. Retrieved 2026-10-22.},
}

RIS

TY  - DATA
AU  - U.S. Census Bureau
TI  - Business Dynamics Statistics by firm age: employer firms of age zero, all covered industries, nation, states and counties from 1978: Counties in Massachusetts by employer firm births, 2016
PY  - 2025
DA  - 2025/09/25
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty_fac.csv
L2  - https://invokely.ai/rankings/employer-firm-births/massachusetts-counties?period=2016
Y2  - 2026/10/22
N1  - Accessed via Invokely, https://invokely.ai/rankings/employer-firm-births/massachusetts-counties?period=2016.
N1  - Publisher attribution: U.S. Census Bureau. Business Dynamics Statistics by firm age: employer firms of age zero, all covered industries, nation, states and counties from 1978. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty_fac.csv. Retrieved 2026-10-22.
ER  -

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Questions

Which county has the highest employer firm births?

Middlesex County, with 2,358 in 2016, according to the U.S. Census Bureau.

Which county has the lowest employer firm births?

Nantucket County, with 52 in 2016.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Business Dynamics Statistics by firm age: employer firms of age zero, all covered industries, nation, states and counties from 1978. Retrieved 2026-10-22.