Middlesex County, MA [25017] Demographic Characteristics & Trends
  -- a component of the Boston-Cambridge-Newton, MA-NH metropolitan area [14460] -- click link to view metro S&O report

This document brings together several 2017 vintage population estimates developed by the Census Bureau for this area developed and released separately in 2018. These official model-based estimates are developed and updated annually. The data presesentation here provides more comprehensive insights into demographic characteristics and trends for this area than available elsewhere. ProximityOne uses these data to develop Situation & Outlook (S&O) estimates and projections to 2060. See related table. Join us in weekly Data Analytics Lab web sessions to discuss organization and use of these and related data. The S&O Trends Analysis package used to develop these tables is available to present/analyze these data with wide-ranging additional detail and alternative data formats.   • Bookmark this page -- http://proximityone.com/trends/cty1706037.htm; share with others.   • View profile for other counties -- http://proximityone.com/countytrends2017.htm; use link in table.

Table 1. Population & Components of Change -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	1,507,028	1,524,191	1,541,428	1,559,027	1,573,084	1,584,914	1,594,314	1,602,947	95,919
Births	...	17,635	17,369	17,640	17,659	17,504	17,147	17,193	17,450
Deaths	...	11,051	10,696	10,879	11,002	11,469	11,537	11,702	11,191
Natural Increase	...	6,584	6,673	6,761	6,657	6,035	5,610	5,491	6,259
Net Migration	...	10,785	10,792	11,043	7,604	5,924	3,771	3,132	7,579
International	...	10,678	10,829	11,194	12,196	13,101	13,340	13,269	12,087
Domestic	...	107	-37	-151	-4,592	-7,177	-9,569	-10,137	-4,508

Table 2. Population by Gender & Group Quarters Population -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	1,507,028	1,524,191	1,541,428	1,559,027	1,573,084	1,584,914	1,594,314	1,602,947	95,919
Male	733,104	742,020	751,114	760,446	767,671	774,074	779,473	784,054	50,950
Female	773,924	782,171	790,314	798,581	805,413	810,840	814,841	818,893	44,969
Group Quarters	...	56,021	55,916	56,321	56,999	57,015	56,701	56,724	1,085

Table 3. Population by Race/Origin -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	1,507,028	1,524,191	1,541,428	1,559,027	1,573,084	1,584,914	1,594,314	1,602,947	95,919
White alone	1,252,531	1,257,919	1,263,953	1,269,041	1,272,106	1,272,553	1,271,027	1,268,906	16,375
Black alone	76,959	79,810	82,081	85,134	87,204	89,319	91,120	93,119	16,160
AIAN alone	3,667	3,778	3,885	3,926	3,947	3,971	4,003	4,060	393
Asian alone	144,874	151,936	159,129	167,026	174,499	182,344	190,095	197,677	52,803
NHOPI alone	976	954	974	1,011	1,022	1,060	1,058	1,035	59
Two+ Races	28,021	29,794	31,406	32,889	34,306	35,667	37,011	38,150	10,129
Hispanic (any race)	99,412	103,930	108,830	113,201	117,450	121,473	125,116	128,614	29,202

Table 4. Population by Age by Race/Origin -- 2017

Population	Total	White alone	Black alone	AIAN alone	Asian alone	NHOPI alone	Two+ Races	Hispanic (any race)
Total	1,602,947	1,268,906	93,119	4,060	197,677	1,035	38,150	128,614
Age 0-4	86,307	62,076	6,634	243	11,821	81	5,452	12,389
Age 5-9	87,237	63,139	6,628	289	11,825	60	5,296	10,851
Age 10-14	89,110	66,955	6,200	334	11,282	84	4,255	9,493
Age 15-19	102,777	79,140	6,811	288	12,271	65	4,202	10,711
Age 20-24	112,458	83,974	7,885	341	16,254	82	3,922	11,592
Age 25-29	123,473	90,468	8,270	411	21,035	89	3,200	12,298
Age 30-34	122,879	90,719	7,951	364	21,244	103	2,498	11,553
Age 35-39	109,448	81,429	7,309	308	18,357	115	1,930	10,868
Age 40-44	99,568	75,128	6,490	258	16,060	55	1,577	8,852
Age 45-49	108,275	85,843	6,259	250	14,350	70	1,503	7,730
Age 50-54	113,643	94,999	5,689	244	11,497	67	1,147	6,702
Age 55-59	111,460	95,850	5,122	222	9,149	56	1,061	5,173
Age 60-64	96,154	83,649	4,083	164	7,450	33	775	3,544
Age 65-69	78,050	68,666	2,920	142	5,688	36	598	2,581
Age 70-74	58,270	52,374	1,907	88	3,607	11	283	1,790
Age 75-79	39,556	35,348	1,182	46	2,780	13	187	1,094
Age 80-84	29,027	26,281	865	34	1,698	9	140	636
Age 85 up	35,255	32,868	914	34	1,309	6	124	757

Table 5. Population by Single Year of Age -- 2010-2017

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Age 0000	17,488	17,746	17,446	17,737	17,762	17,610	17,242	17,293	-195
Age 0101	17,013	17,417	17,757	17,434	17,636	17,619	17,391	16,989	-24
Age 0202	17,377	17,045	17,558	17,933	17,392	17,437	17,515	17,298	-79
Age 0303	17,203	17,361	17,135	17,535	17,884	17,264	17,421	17,406	203
Age 0404	17,114	17,327	17,491	17,210	17,455	17,774	17,204	17,321	207
Age 0505	17,198	17,246	17,384	17,568	17,216	17,358	17,662	17,167	-31
Age 0606	17,294	17,298	17,375	17,609	17,702	17,253	17,387	17,683	389
Age 0707	17,482	17,518	17,340	17,459	17,605	17,621	17,231	17,403	-79
Age 0808	17,483	17,596	17,510	17,470	17,461	17,585	17,656	17,222	-261
Age 0909	17,914	17,618	17,719	17,756	17,589	17,483	17,578	17,762	-152
Age 1010	17,938	17,973	17,762	17,850	17,878	17,607	17,467	17,624	-314
Age 1111	17,820	18,040	18,128	17,902	17,931	17,954	17,659	17,474	-346
Age 1212	18,015	17,946	18,241	18,261	17,974	17,937	17,952	17,703	-312
Age 1313	18,263	18,085	18,177	18,399	18,457	18,011	18,098	18,033	-230
Age 1414	18,401	18,461	18,297	18,392	18,603	18,585	18,173	18,276	-125
Age 1515	18,796	18,566	18,696	18,557	18,678	18,843	18,813	18,396	-400
Age 1616	18,744	19,000	18,763	18,803	18,738	18,803	19,001	18,947	203
Age 1717	19,195	18,999	19,288	18,990	19,070	18,941	19,026	19,239	44
Age 1818	21,310	22,450	22,312	22,612	22,385	22,424	22,368	22,477	1,167
Age 1919	21,243	22,979	23,730	23,812	23,933	23,721	23,950	23,718	2,475
Age 2020	19,410	19,810	21,524	22,497	22,491	22,564	22,472	22,562	3,152
Age 2121	19,282	19,326	19,632	21,561	22,342	22,380	22,515	22,383	3,101
Age 2222	19,668	18,768	18,879	18,967	20,885	21,735	21,757	21,870	2,202
Age 2323	20,774	20,082	19,308	19,279	19,246	20,941	22,067	21,959	1,185
Age 2424	22,162	22,387	21,942	21,337	21,259	21,128	22,822	23,684	1,522
Age 2525	23,165	23,549	23,613	23,338	22,688	22,882	22,628	23,969	804
Age 2626	22,772	24,022	24,452	24,637	24,321	24,011	24,125	23,741	969
Age 2727	22,977	23,505	24,678	24,768	25,118	25,188	24,862	24,749	1,772
Age 2828	23,052	23,345	23,916	25,054	25,059	25,498	25,500	25,194	2,142
Age 2929	22,383	23,235	23,515	24,132	25,187	25,371	25,636	25,820	3,437
Age 3030	22,814	22,498	23,488	23,649	24,139	25,318	25,182	25,566	2,752
Age 3131	21,589	22,782	22,590	23,466	23,736	24,195	25,278	25,144	3,555
Age 3232	20,902	21,693	23,037	22,658	23,398	23,714	23,987	25,142	4,240
Age 3333	20,341	21,063	21,502	23,000	22,462	23,167	23,469	23,667	3,326
Age 3434	19,627	20,419	21,122	21,529	22,896	22,396	22,949	23,360	3,733
Age 3535	20,277	19,656	20,478	21,257	21,488	22,760	22,226	22,773	2,496
Age 3636	19,241	20,310	19,723	20,511	21,219	21,394	22,605	22,160	2,919
Age 3737	19,769	19,425	20,502	19,864	20,617	21,147	21,405	22,436	2,667
Age 3838	20,465	19,676	19,472	20,507	19,744	20,410	20,850	21,223	758
Age 3939	21,869	20,580	19,791	19,639	20,638	19,761	20,434	20,856	-1,013
Age 4040	22,592	21,841	20,598	19,935	19,698	20,565	19,605	20,341	-2,251
Age 4141	21,759	22,556	21,740	20,563	19,943	19,681	20,496	19,508	-2,251
Age 4242	21,740	21,779	22,644	21,887	20,634	19,929	19,608	20,429	-1,311
Age 4343	21,919	21,826	21,933	22,649	21,895	20,643	19,831	19,552	-2,367
Age 4444	22,606	21,890	21,786	21,877	22,685	21,749	20,574	19,738	-2,868
Age 4545	23,997	22,677	21,926	21,912	21,959	22,658	21,694	20,603	-3,394
Age 4646	24,472	23,904	22,760	21,975	21,879	21,967	22,672	21,699	-2,773
Age 4747	24,001	24,543	23,914	22,764	21,973	21,927	21,963	22,578	-1,423
Age 4848	23,627	23,846	24,415	23,809	22,653	21,803	21,760	21,794	-1,833
Age 4949	23,952	23,601	23,934	24,302	23,822	22,579	21,682	21,601	-2,351
Age 5050	23,825	23,886	23,546	23,783	24,185	23,692	22,378	21,490	-2,335
Age 5151	23,021	23,805	23,797	23,478	23,766	24,056	23,552	22,236	-785
Age 5252	22,771	22,872	23,728	23,661	23,331	23,559	23,818	23,289	518
Age 5353	22,222	22,787	22,790	23,694	23,627	23,174	23,315	23,623	1,401
Age 5454	21,368	22,038	22,641	22,664	23,472	23,385	22,930	23,005	1,637
Age 5555	21,279	21,263	21,881	22,543	22,490	23,243	23,087	22,701	1,422
Age 5656	20,206	21,126	21,094	21,763	22,330	22,313	22,960	22,821	2,615
Age 5757	19,321	20,091	21,012	21,024	21,558	22,129	22,080	22,623	3,302
Age 5858	18,389	19,258	19,975	20,920	20,883	21,353	21,930	21,773	3,384
Age 5959	18,103	18,176	19,030	19,685	20,582	20,624	20,936	21,542	3,439
Age 6060	17,558	17,981	18,050	18,838	19,438	20,392	20,345	20,661	3,103
Age 6161	17,142	17,342	17,761	17,768	18,578	19,112	20,015	19,964	2,822
Age 6262	16,997	16,885	17,066	17,444	17,453	18,291	18,720	19,696	2,699
Age 6363	17,757	16,723	16,590	16,836	17,158	17,047	17,873	18,295	538
Age 6464	12,786	17,462	16,480	16,363	16,534	16,860	16,660	17,538	4,752
Age 6565	12,484	12,598	17,209	16,262	16,139	16,278	16,586	16,426	3,942
Age 6666	12,048	12,296	12,331	16,813	15,901	15,739	15,895	16,152	4,104
Age 6767	12,595	11,839	12,060	12,087	16,461	15,579	15,368	15,528	2,933
Age 6868	10,714	12,383	11,605	11,801	11,815	16,086	15,235	15,046	4,332
Age 6969	9,666	10,507	12,141	11,404	11,554	11,564	15,717	14,898	5,232
Age 7070	9,217	9,493	10,292	11,885	11,175	11,340	11,255	15,335	6,118
Age 7171	8,882	9,047	9,289	10,031	11,607	10,879	11,029	10,972	2,090
Age 7272	8,682	8,728	8,866	9,092	9,847	11,341	10,628	10,806	2,124
Age 7373	8,232	8,504	8,534	8,720	8,880	9,654	11,022	10,400	2,168
Age 7474	7,895	7,982	8,255	8,324	8,483	8,674	9,397	10,757	2,862
Age 7575	7,773	7,674	7,760	8,091	8,121	8,240	8,436	9,133	1,360
Age 7676	7,130	7,568	7,454	7,571	7,854	7,907	8,016	8,175	1,045
Age 7777	7,164	6,923	7,313	7,216	7,412	7,684	7,671	7,767	603
Age 7878	7,129	6,895	6,647	7,049	6,959	7,134	7,382	7,353	224
Age 7979	6,971	6,843	6,648	6,409	6,845	6,745	6,874	7,128	157
Age 8080	6,754	6,655	6,561	6,366	6,145	6,555	6,410	6,555	-199
Age 8181	6,246	6,408	6,336	6,276	6,058	5,865	6,251	6,105	-141
Age 8282	5,971	5,892	6,073	6,003	5,891	5,724	5,549	5,912	-59
Age 8383	5,834	5,647	5,604	5,778	5,714	5,605	5,475	5,313	-521
Age 8484	5,384	5,449	5,272	5,253	5,396	5,314	5,254	5,142	-242
Age 8585	31,017	31,900	32,814	33,520	34,019	34,486	34,817	35,255	4,238
Age 0517	234,543	234,346	234,680	235,016	234,902	233,981	233,703	232,929	-1,614