Federal Reserve Economic Data

Table Data - Population Estimate, Total (5-year estimate) in Cumberland County, ME

Title Population Estimate, Total (5-year estimate) in Cumberland County, ME
Series ID B03002001E023005
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 2022-01-01
Last Updated 2023-12-07 12:21 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 276227
2010-01-01 279994
2011-01-01 281044
2012-01-01 282143
2013-01-01 283046
2014-01-01 284351
2015-01-01 286119
2016-01-01 288204
2017-01-01 289173
2018-01-01 290944
2019-01-01 292307
2020-01-01 294520
2021-01-01 300776
2022-01-01 303357

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