Federal Reserve Economic Data

Table Data - Population Estimate, Total, Not Hispanic or Latino, Two or More Races (5-year estimate) in Middlesex County, MA

Title Population Estimate, Total, Not Hispanic or Latino, Two or More Races (5-year estimate) in Middlesex County, MA
Series ID B03002009E025017
Source U.S. Census Bureau
Release County Population Estimates By Race And Ethnicity (Not a Press Release)
Seasonal Adjustment Not Seasonally Adjusted
Frequency Annual
Units Persons
Date Range 2009-01-01 to 2023-01-01
Last Updated 2024-12-12 2:18 PM CST
Notes Data obtained from ACS Demographic and Housing Estimates, table DP05.

Multiyear estimates from the American Community Survey (ACS) are "period" estimates derived from a data sample collected over a period of time, as opposed to "point-in-time" estimates such as those from past decennial censuses. ACS 5-year estimate includes data collected over a 60-month period. The date of the data is the end of the 5-year period. For example, a value dated 2014 represents data from 2010 to 2014. However, they do not describe any specific day, month, or year within that time period.

Multiyear estimates require some considerations that single-year estimates do not. For example, multiyear estimates released in consecutive years consist mostly of overlapping years and shared data. The 2010-2014 ACS 5-year estimates share sample data from 2011 through 2014 with the 2011-2015 ACS 5-year estimates. Because of this overlap, users should use extreme caution in making comparisons with consecutive years of multiyear estimates.

Please see "Section 3: Understanding and Using ACS Single-Year and Multiyear Estimates" on publication page 13 (file page 19) of the 2018 ACS General Handbook for a more thorough clarification.
DATE VALUE
2009-01-01 19830
2010-01-01 23452
2011-01-01 26847
2012-01-01 28763
2013-01-01 33037
2014-01-01 35141
2015-01-01 35991
2016-01-01 35831
2017-01-01 36852
2018-01-01 36643
2019-01-01 37972
2020-01-01 45175
2021-01-01 59395
2022-01-01 68293
2023-01-01 80652

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