County Population Estimates

Mercer County, NJ [34021] Demographic Characteristics & Trends
-- a component of the Trenton, NJ metropolitan area [45940] -- click link to view metro S&O report

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	367,930	368,201	370,419	372,337	372,974	373,104	373,660	374,733	6,803
Births	...	4,385	4,180	4,220	4,161	4,189	4,078	4,039	4,179
Deaths	...	2,951	2,811	2,814	2,838	3,017	2,859	2,941	2,890
Natural Increase	...	1,434	1,369	1,406	1,323	1,172	1,219	1,098	1,289
Net Migration	...	-1,228	877	512	-741	-1,083	-673	-43	-340
International	...	2,383	2,414	2,660	2,932	3,177	3,226	3,218	2,859
Domestic	...	-3,611	-1,537	-2,148	-3,673	-4,260	-3,899	-3,261	-3,198

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	367,930	368,201	370,419	372,337	372,974	373,104	373,660	374,733	6,803
Male	180,091	180,293	181,301	182,251	182,598	182,509	182,848	183,314	3,223
Female	187,839	187,908	189,118	190,086	190,376	190,595	190,812	191,419	3,580
Group Quarters	...	19,267	20,513	20,755	20,604	20,442	20,512	20,261	458

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	367,930	368,201	370,419	372,337	372,974	373,104	373,660	374,733	6,803
White alone	246,571	245,453	245,568	244,963	243,432	241,735	240,366	239,420	-7,151
Black alone	77,642	77,801	78,297	78,882	79,372	79,555	80,018	80,144	2,502
AIAN alone	2,157	2,158	2,125	2,170	2,156	2,172	2,181	2,243	86
Asian alone	33,861	34,876	36,238	37,814	39,188	40,443	41,656	43,267	9,406
NHOPI alone	658	676	696	729	722	757	776	775	117
Two+ Races	7,041	7,237	7,495	7,779	8,104	8,442	8,663	8,884	1,843
Hispanic (any race)	55,755	57,290	58,581	60,051	61,477	62,987	64,603	66,663	10,908

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	374,733	239,420	80,144	2,243	43,267	775	8,884	66,663
Age 0-4	20,879	11,873	5,493	136	2,081	104	1,192	6,373
Age 5-9	21,818	12,025	5,593	147	2,808	63	1,182	5,904
Age 10-14	22,829	13,155	5,374	186	3,122	56	936	5,447
Age 15-19	27,698	17,207	5,970	180	3,285	63	993	5,387
Age 20-24	29,599	18,573	6,369	188	3,421	69	979	5,418
Age 25-29	24,272	14,318	6,289	178	2,848	53	586	5,270
Age 30-34	22,773	14,007	5,211	219	2,761	77	498	5,345
Age 35-39	23,814	14,139	5,315	216	3,543	86	515	5,654
Age 40-44	23,975	14,111	5,080	152	4,226	38	368	5,136
Age 45-49	26,340	16,354	5,471	183	3,900	49	383	4,770
Age 50-54	26,357	17,451	5,472	124	2,955	34	321	3,723
Age 55-59	26,577	18,414	5,329	116	2,388	34	296	2,877
Age 60-64	22,456	16,184	4,213	72	1,759	18	210	1,897
Age 65-69	18,016	13,149	3,095	53	1,548	9	162	1,346
Age 70-74	13,365	9,945	2,185	33	1,086	11	105	883
Age 75-79	9,124	6,741	1,535	16	740	7	85	544
Age 80-84	6,632	5,035	1,100	17	446	2	32	361
Age 85 up	8,209	6,739	1,050	27	350	2	41	328

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Age 0000	4,209	4,386	4,180	4,222	4,170	4,187	4,073	4,028	-181
Age 0101	4,136	4,231	4,357	4,255	4,154	4,253	4,186	4,077	-59
Age 0202	4,419	4,120	4,254	4,373	4,269	4,159	4,249	4,197	-222
Age 0303	4,422	4,395	4,141	4,279	4,390	4,270	4,216	4,294	-128
Age 0404	4,384	4,440	4,395	4,216	4,257	4,428	4,278	4,283	-101
Age 0505	4,480	4,344	4,386	4,406	4,235	4,256	4,418	4,318	-162
Age 0606	4,498	4,472	4,354	4,406	4,427	4,235	4,305	4,433	-65
Age 0707	4,538	4,496	4,466	4,359	4,410	4,422	4,265	4,310	-228
Age 0808	4,546	4,550	4,477	4,512	4,413	4,443	4,449	4,291	-255
Age 0909	4,663	4,565	4,529	4,447	4,479	4,384	4,421	4,466	-197
Age 1010	4,760	4,726	4,580	4,566	4,496	4,495	4,404	4,436	-324
Age 1111	4,687	4,757	4,712	4,592	4,654	4,514	4,569	4,494	-193
Age 1212	4,723	4,666	4,790	4,727	4,619	4,649	4,503	4,590	-133
Age 1313	4,730	4,692	4,685	4,732	4,766	4,597	4,714	4,552	-178
Age 1414	4,789	4,746	4,726	4,728	4,765	4,813	4,594	4,757	-32
Age 1515	4,867	4,793	4,766	4,730	4,735	4,748	4,804	4,624	-243
Age 1616	4,922	4,870	4,797	4,784	4,765	4,744	4,808	4,799	-123
Age 1717	5,087	5,045	4,968	4,876	4,857	4,814	4,808	4,935	-152
Age 1818	6,004	6,129	6,207	6,183	6,082	6,047	6,061	6,091	87
Age 1919	6,760	6,862	7,287	7,327	7,262	7,181	7,141	7,249	489
Age 2020	6,603	6,374	6,901	7,079	6,952	6,949	6,890	6,925	322
Age 2121	6,360	6,357	6,430	6,823	6,862	6,769	6,774	6,739	379
Age 2222	5,445	5,486	5,686	5,625	5,838	5,907	5,829	5,842	397
Age 2323	4,679	4,779	4,913	4,907	4,934	5,040	5,103	5,023	344
Age 2424	4,678	4,656	4,796	4,901	4,906	4,926	5,004	5,070	392
Age 2525	4,785	4,616	4,625	4,803	4,849	4,872	4,897	4,975	190
Age 2626	4,544	4,707	4,660	4,598	4,748	4,825	4,894	4,972	428
Age 2727	4,743	4,568	4,617	4,745	4,538	4,725	4,787	4,873	130
Age 2828	4,868	4,759	4,558	4,696	4,760	4,507	4,752	4,743	-125
Age 2929	4,789	4,736	4,686	4,529	4,624	4,694	4,428	4,709	-80
Age 3030	4,987	4,738	4,753	4,656	4,515	4,563	4,654	4,407	-580
Age 3131	4,704	4,856	4,665	4,683	4,586	4,449	4,548	4,576	-128
Age 3232	4,598	4,707	4,873	4,713	4,691	4,644	4,509	4,551	-47
Age 3333	4,612	4,525	4,728	4,874	4,707	4,707	4,571	4,603	-9
Age 3434	4,525	4,623	4,577	4,765	4,903	4,707	4,711	4,636	111
Age 3535	4,853	4,569	4,695	4,600	4,803	4,876	4,709	4,753	-100
Age 3636	4,766	4,878	4,592	4,698	4,614	4,826	4,867	4,773	7
Age 3737	4,901	4,722	4,907	4,616	4,665	4,673	4,777	4,838	-63
Age 3838	5,029	4,856	4,745	4,928	4,644	4,691	4,674	4,834	-195
Age 3939	5,449	5,006	4,851	4,722	4,908	4,606	4,613	4,616	-833
Age 4040	5,617	5,468	5,038	4,877	4,765	4,961	4,638	4,638	-979
Age 4141	5,229	5,595	5,463	5,065	4,917	4,769	4,941	4,653	-576
Age 4242	5,317	5,193	5,589	5,521	5,034	4,894	4,779	4,988	-329
Age 4343	5,265	5,272	5,140	5,538	5,475	5,027	4,882	4,814	-451
Age 4444	5,433	5,291	5,243	5,166	5,593	5,472	5,034	4,882	-551
Age 4545	5,760	5,435	5,274	5,207	5,180	5,553	5,486	5,035	-725
Age 4646	5,700	5,742	5,418	5,253	5,224	5,165	5,568	5,521	-179
Age 4747	5,644	5,640	5,712	5,371	5,234	5,170	5,138	5,537	-107
Age 4848	5,673	5,667	5,639	5,715	5,353	5,203	5,195	5,127	-546
Age 4949	5,710	5,620	5,648	5,543	5,630	5,270	5,133	5,120	-590
Age 5050	5,779	5,709	5,587	5,632	5,467	5,575	5,202	5,051	-728
Age 5151	5,443	5,730	5,679	5,537	5,567	5,399	5,558	5,162	-281
Age 5252	5,588	5,458	5,703	5,659	5,483	5,515	5,376	5,507	-81
Age 5353	5,438	5,546	5,422	5,638	5,621	5,440	5,427	5,313	-125
Age 5454	5,100	5,403	5,479	5,406	5,623	5,562	5,368	5,324	224
Age 5555	5,149	5,061	5,407	5,453	5,345	5,528	5,512	5,318	169
Age 5656	4,929	5,093	5,026	5,394	5,368	5,284	5,488	5,464	535
Age 5757	4,737	4,841	5,045	4,996	5,343	5,308	5,221	5,457	720
Age 5858	4,447	4,690	4,780	4,979	4,952	5,234	5,270	5,159	712
Age 5959	4,397	4,402	4,587	4,701	4,882	4,827	5,124	5,179	782
Age 6060	4,240	4,311	4,326	4,496	4,600	4,764	4,744	4,991	751
Age 6161	4,059	4,151	4,247	4,273	4,397	4,502	4,679	4,611	552
Age 6262	3,981	3,971	4,056	4,174	4,194	4,299	4,415	4,562	581
Age 6363	4,127	3,889	3,907	3,951	4,052	4,079	4,174	4,253	126
Age 6464	3,080	4,027	3,818	3,803	3,845	3,973	3,983	4,039	959
Age 6565	3,018	3,000	3,958	3,750	3,701	3,728	3,877	3,894	876
Age 6666	2,841	2,969	2,952	3,883	3,666	3,609	3,623	3,794	953
Age 6767	2,943	2,797	2,903	2,884	3,793	3,556	3,525	3,542	599
Age 6868	2,619	2,864	2,725	2,824	2,796	3,685	3,469	3,411	792
Age 6969	2,305	2,555	2,781	2,661	2,754	2,721	3,548	3,375	1,070
Age 7070	2,170	2,242	2,480	2,718	2,578	2,680	2,627	3,410	1,240
Age 7171	2,035	2,090	2,185	2,415	2,641	2,512	2,623	2,553	518
Age 7272	2,057	1,998	2,058	2,143	2,372	2,569	2,461	2,567	510
Age 7373	1,920	2,016	1,919	2,013	2,100	2,318	2,495	2,383	463
Age 7474	1,828	1,900	1,982	1,876	1,983	2,075	2,276	2,452	624
Age 7575	1,859	1,773	1,828	1,929	1,816	1,913	2,000	2,202	343
Age 7676	1,745	1,790	1,719	1,770	1,850	1,749	1,840	1,926	181
Age 7777	1,640	1,679	1,695	1,644	1,688	1,775	1,686	1,750	110
Age 7878	1,587	1,582	1,613	1,640	1,582	1,626	1,693	1,615	28
Age 7979	1,560	1,520	1,547	1,559	1,591	1,539	1,568	1,631	71
Age 8080	1,615	1,471	1,432	1,452	1,465	1,519	1,447	1,469	-146
Age 8181	1,466	1,561	1,433	1,414	1,407	1,414	1,481	1,415	-51
Age 8282	1,381	1,363	1,461	1,324	1,311	1,303	1,319	1,376	-5
Age 8383	1,329	1,308	1,281	1,360	1,235	1,223	1,210	1,252	-77
Age 8484	1,226	1,228	1,217	1,190	1,278	1,165	1,132	1,120	-106
Age 8585	7,402	7,487	7,702	7,859	7,971	8,057	8,168	8,209	807
Age 0517	61,290	60,722	60,236	59,865	59,621	59,114	59,062	59,005	-2,285