Boston-Cambridge-Newton, MA-NH MSA Regional Analytics

Boston-Cambridge-Newton, MA-NH MSA Regional Analytics
-- Population & Components of Change; 2010-15

Components of Change: 7/1/2010-6/30/2015

Natural Change	84,413
equals Births	259,773
less Deaths	175,360
Net Migration	129,826
equals net International Migration	151,486
plus net Domestic Migration	-21,660

The population of the Boston-Cambridge-Newton, MA-NH MSA changed from 4,565,410 on 2010 to 4,774,321 in 2015 -- a change of 208,911 (4.58%). This report provides a summary of how and why the population has changed during this period and what these factors suggest about future change.

Primary Contributing Factors to Change
The primary contributing factors resulting in population change are 1) natural change (births less deaths) and/or 2) net migration. Eight tables are presented below providing annual data for each component county of the metro and metro summary. The tables provide data on the total population, births, deaths, natural change (births less deaths), international migration, domestic migration and net migration.

From 2010 to 2015 (7/1/2010-6/30/2015), net migration (129,826) exceeded natural change (84,413); net migration has been the primary contributing factor for the metro population change. Examine the metro by county tables below to learn about how each county contributes to the metro population growth or decline.

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Related Sections
• Boston-Cambridge-Newton, MA-NH MSA S&O Report
• State of the States -- all states interactive table
• Metro S&O Reports -- all metros interactive table
• CountyTrends 2010-2015 -- all counties interactive table
• CountyTrends -- multi-sourced county data
• Regional Data Analytics Main

Table 1. Population
Area Name	GeoID	Item	2010	2011	2012	2013	2014	2015	Chg 10-15	%Chg 10-15
Essex County, MA	25009	P0000001	745,634	751,514	757,050	764,154	770,486	776,043	30,409	4.08
Middlesex County, MA	25017	P0000001	1,507,262	1,523,909	1,540,714	1,558,294	1,572,523	1,585,139	77,877	5.17
Norfolk County, MA	25021	P0000001	672,788	678,073	682,997	688,826	692,688	696,023	23,235	3.45
Plymouth County, MA	25023	P0000001	495,912	498,214	499,510	503,236	507,050	510,393	14,481	2.92
Suffolk County, MA	25025	P0000001	725,262	736,692	749,610	760,364	769,809	778,121	52,859	7.29
Rockingham County, NH	33015	P0000001	295,333	296,022	297,837	298,758	300,638	301,777	6,444	2.18
Strafford County, NH	33017	P0000001	123,219	124,002	124,624	124,724	126,191	126,825	3,606	2.93
Total		P0000001	4,565,410	4,608,426	4,652,342	4,698,356	4,739,385	4,774,321	208,911	4.58
Table 2. Births
Area Name	GeoID	Item	2010	2011	2012	2013	2014	2015	Sum11-15
Essex County, MA	25009	B0000001	8,712	8,487	8,348	8,363	8,594	8,626	42,418
Middlesex County, MA	25017	B0000001	18,784	17,636	17,371	17,642	17,743	17,850	88,242
Norfolk County, MA	25021	B0000001	7,580	7,119	7,236	7,180	7,361	7,368	36,264
Plymouth County, MA	25023	B0000001	5,180	5,179	4,914	5,180	5,167	5,224	25,664
Suffolk County, MA	25025	B0000001	9,052	9,694	9,549	9,582	9,397	9,620	47,842
Rockingham County, NH	33015	B0000001	2,548	2,589	2,511	2,609	2,635	2,707	13,051
Strafford County, NH	33017	B0000001	1,280	1,296	1,215	1,269	1,244	1,268	6,292
Total		B0000001	53,136	52,000	51,144	51,825	52,141	52,663	259,773
Table 3. Deaths
Area Name	GeoID	Item	2010	2011	2012	2013	2014	2015	Sum11-15
Essex County, MA	25009	D0000001	5,564	6,274	6,149	6,367	6,435	6,467	31,692
Middlesex County, MA	25017	D0000001	10,092	11,049	10,696	10,875	11,251	11,343	55,214
Norfolk County, MA	25021	D0000001	5,272	5,494	5,383	5,683	5,671	5,700	27,931
Plymouth County, MA	25023	D0000001	3,816	4,222	3,977	4,235	4,420	4,405	21,259
Suffolk County, MA	25025	D0000001	4,112	4,641	4,519	4,671	4,937	5,071	23,839
Rockingham County, NH	33015	D0000001	2,236	2,208	2,038	2,139	2,112	2,152	10,649
Strafford County, NH	33017	D0000001	816	924	892	944	1,028	988	4,776
Total		D0000001	31,908	34,812	33,654	34,914	35,854	36,126	175,360
Table 4. Natural Change
Area Name	GeoID	Item	2010	2011	2012	2013	2014	2015	Sum11-15
Essex County, MA	25009	NC000001	3,148	2,213	2,199	1,996	2,159	2,159	10,726
Middlesex County, MA	25017	NC000001	8,692	6,587	6,675	6,767	6,492	6,507	33,028
Norfolk County, MA	25021	NC000001	2,308	1,625	1,853	1,497	1,690	1,668	8,333
Plymouth County, MA	25023	NC000001	1,364	957	937	945	747	819	4,405
Suffolk County, MA	25025	NC000001	4,940	5,053	5,030	4,911	4,460	4,549	24,003
Rockingham County, NH	33015	NC000001	312	381	473	470	523	555	2,402
Strafford County, NH	33017	NC000001	464	372	323	325	216	280	1,516
Total		NC000001	21,228	17,188	17,490	16,911	16,287	16,537	84,413
Table 5. International Migration
Area Name	GeoID	Item	2010	2011	2012	2013	2014	2015	Sum11-15
Essex County, MA	25009	MI000001	3,108	3,675	3,749	3,989	4,593	4,587	20,593
Middlesex County, MA	25017	MI000001	9,076	10,751	10,848	11,758	13,372	13,338	60,067
Norfolk County, MA	25021	MI000001	2,180	2,889	3,007	3,267	3,711	3,694	16,568
Plymouth County, MA	25023	MI000001	1,052	1,198	1,278	1,359	1,539	1,535	6,909
Suffolk County, MA	25025	MI000001	7,012	8,413	8,205	8,833	10,099	10,082	45,632
Rockingham County, NH	33015	MI000001	152	139	193	168	197	209	906
Strafford County, NH	33017	MI000001	108	152	147	153	180	179	811
Total		MI000001	22,688	27,217	27,427	29,527	33,691	33,624	151,486
Table 6. Domestic Migration
Area Name	GeoID	Item	2010	2011	2012	2013	2014	2015	Sum11-15
Essex County, MA	25009	MD000001	3,368	350	-392	935	89	-1,419	-437
Middlesex County, MA	25017	MD000001	-840	-34	-444	-200	-5,128	-6,655	-12,461
Norfolk County, MA	25021	MD000001	3,552	975	152	1,097	-1,031	-2,013	-820
Plymouth County, MA	25023	MD000001	1,608	196	-914	1,204	1,617	735	2,838
Suffolk County, MA	25025	MD000001	600	-1,824	-281	-2,472	-5,067	-5,747	-15,391
Rockingham County, NH	33015	MD000001	36	219	1,158	230	1,308	465	3,380
Strafford County, NH	33017	MD000001	-296	250	174	-425	1,056	176	1,231
Total		MD000001	8,028	132	-547	369	-7,156	-14,458	-21,660
Table 7. Net Migration
Area Name	GeoID	Item	2010	2011	2012	2013	2014	2015	Sum11-15
Essex County, MA	25009	MN000001	6,476	4,025	3,357	4,924	4,682	3,168	20,156
Middlesex County, MA	25017	MN000001	8,236	10,717	10,404	11,558	8,244	6,683	47,606
Norfolk County, MA	25021	MN000001	5,732	3,864	3,159	4,364	2,680	1,681	15,748
Plymouth County, MA	25023	MN000001	2,660	1,394	364	2,563	3,156	2,270	9,747
Suffolk County, MA	25025	MN000001	7,612	6,589	7,924	6,361	5,032	4,335	30,241
Rockingham County, NH	33015	MN000001	188	358	1,351	398	1,505	674	4,286
Strafford County, NH	33017	MN000001	-188	402	321	-272	1,236	355	2,042
Total		MN000001	30,716	27,349	26,880	29,896	26,535	19,166	129,826
Table 8. Group Quarters
Area Name	GeoID	Item	2010	2011	2012	2013	2014	2015	Chg10-15	%Chg 10-15
Essex County, MA	25009	GQ000001	17,259	17,532	17,864	18,255	18,950	18,946	1,687	9.77
Middlesex County, MA	25017	GQ000001	55,635	56,054	55,978	56,128	56,695	56,676	1,041	1.87
Norfolk County, MA	25021	GQ000001	17,983	18,435	18,293	18,153	17,959	17,850	-133	-0.74
Plymouth County, MA	25023	GQ000001	11,970	12,343	12,081	12,035	12,399	12,286	316	2.64
Suffolk County, MA	25025	GQ000001	48,937	48,093	49,210	48,948	50,193	50,201	1,264	2.58
Rockingham County, NH	33015	GQ000001	2,498	2,547	2,621	2,459	2,495	2,497	-1	-0.04
Strafford County, NH	33017	GQ000001	8,421	8,599	8,775	8,679	9,163	9,158	737	8.75
Total		GQ000001	162,703	163,603	164,822	164,657	167,854	167,614	4,911	3.02

Source: developed by ProximityOne based on Census Bureau and other data.
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