Seneca County, OH [39147] Demographic Characteristics & Trends
  -- a component of the Tiffin, OH metropolitan area [45660] -- 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	56,616	56,505	56,084	55,813	55,761	55,569	55,357	55,243	-1,373
Births	...	601	581	583	554	598	595	582	585
Deaths	...	566	625	604	570	568	570	556	580
Natural Increase	...	35	-44	-21	-16	30	25	26	5
Net Migration	...	-145	-379	-252	-27	-223	-236	-139	-200
International	...	33	36	33	40	42	42	41	38
Domestic	...	-178	-415	-285	-67	-265	-278	-180	-238

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	56,616	56,505	56,084	55,813	55,761	55,569	55,357	55,243	-1,373
Male	28,277	28,291	28,062	27,930	27,884	27,725	27,623	27,560	-717
Female	28,339	28,214	28,022	27,883	27,877	27,844	27,734	27,683	-656
Group Quarters	...	2,615	2,643	2,638	2,672	2,604	2,543	2,548	14

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	56,616	56,505	56,084	55,813	55,761	55,569	55,357	55,243	-1,373
White alone	53,850	53,687	53,200	52,900	52,799	52,581	52,277	52,110	-1,740
Black alone	1,381	1,375	1,390	1,412	1,411	1,403	1,431	1,438	57
AIAN alone	122	128	134	141	145	154	161	159	37
Asian alone	342	365	378	387	388	409	406	439	97
NHOPI alone	18	18	18	18	19	20	26	27	9
Two+ Races	903	932	964	955	999	1,002	1,056	1,070	167
Hispanic (any race)	2,526	2,522	2,605	2,618	2,687	2,724	2,765	2,800	274

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	55,243	52,110	1,438	159	439	27	1,070	2,800
Age 0-4	2,990	2,692	101	10	23	2	162	283
Age 5-9	3,237	2,948	98	8	15	2	166	238
Age 10-14	3,725	3,460	69	8	20	2	166	299
Age 15-19	4,159	3,776	204	9	29	2	139	311
Age 20-24	3,880	3,401	258	11	98	2	110	258
Age 25-29	3,211	3,010	95	12	24	4	66	199
Age 30-34	3,067	2,886	64	11	50	4	52	198
Age 35-39	3,339	3,176	81	8	31	2	41	201
Age 40-44	3,078	2,947	68	12	24	2	25	151
Age 45-49	3,183	3,057	69	11	22	2	22	125
Age 50-54	3,595	3,469	69	11	22	1	23	126
Age 55-59	4,027	3,893	67	21	26	0	20	113
Age 60-64	3,948	3,864	47	7	8	0	22	94
Age 65-69	3,249	3,176	33	12	13	0	15	72
Age 70-74	2,279	2,207	43	2	11	0	16	42
Age 75-79	1,692	1,636	29	1	14	0	12	34
Age 80-84	1,151	1,123	17	3	6	0	2	21
Age 85 up	1,433	1,389	26	2	3	2	11	35

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Age 0000	627	596	574	577	549	595	589	578	-49
Age 0101	695	615	610	585	569	570	609	621	-74
Age 0202	725	703	608	616	575	588	587	612	-113
Age 0303	736	718	672	605	621	593	600	575	-161
Age 0404	731	756	698	673	615	625	595	604	-127
Age 0505	737	720	738	712	675	629	617	608	-129
Age 0606	773	746	728	724	705	670	627	612	-161
Age 0707	756	782	741	706	744	718	654	639	-117
Age 0808	769	761	785	732	710	732	713	659	-110
Age 0909	729	771	759	776	736	706	745	719	-10
Age 1010	772	737	772	757	772	737	713	740	-32
Age 1111	751	757	718	760	766	771	759	711	-40
Age 1212	742	751	753	731	761	770	779	757	15
Age 1313	711	744	738	744	733	751	761	767	56
Age 1414	747	731	739	735	752	730	750	750	3
Age 1515	761	744	731	749	750	760	727	757	-4
Age 1616	757	768	733	752	752	744	770	730	-27
Age 1717	778	750	778	730	728	758	745	766	-12
Age 1818	966	916	885	906	871	848	870	874	-92
Age 1919	1,132	1,134	1,098	1,057	1,079	1,028	985	1,032	-100
Age 2020	1,000	1,041	1,022	1,006	969	967	922	894	-106
Age 2121	912	873	916	861	871	838	820	799	-113
Age 2222	745	812	778	815	774	772	741	742	-3
Age 2323	662	689	760	716	785	748	755	686	24
Age 2424	679	655	683	749	738	758	733	759	80
Age 2525	646	660	626	628	685	687	693	693	47
Age 2626	570	620	626	599	599	651	653	656	86
Age 2727	610	587	620	619	622	583	638	654	44
Age 2828	634	626	573	630	627	600	581	636	2
Age 2929	641	621	624	554	634	631	596	572	-69
Age 3030	679	642	622	628	549	627	626	612	-67
Age 3131	706	687	641	633	622	574	635	628	-78
Age 3232	700	701	681	650	633	615	567	637	-63
Age 3333	659	694	693	691	655	626	632	550	-109
Age 3434	583	679	689	689	688	656	632	640	57
Age 3535	632	560	657	680	675	667	640	615	-17
Age 3636	659	641	562	667	693	689	683	653	-6
Age 3737	616	651	631	551	666	686	685	686	70
Age 3838	644	622	653	629	556	666	689	701	57
Age 3939	644	654	631	646	617	565	664	684	40
Age 4040	664	628	656	610	640	610	568	660	-4
Age 4141	658	667	632	652	607	648	611	571	-87
Age 4242	623	651	657	635	665	597	648	616	-7
Age 4343	654	623	660	654	641	670	593	640	-14
Age 4444	694	633	627	643	642	628	652	591	-103
Age 4545	767	695	627	632	635	654	628	656	-111
Age 4646	807	756	698	635	633	640	643	623	-184
Age 4747	789	793	734	692	627	627	632	636	-153
Age 4848	814	810	799	737	703	618	649	620	-194
Age 4949	822	814	818	792	747	711	635	648	-174
Age 5050	884	817	807	800	774	736	690	637	-247
Age 5151	869	872	803	797	808	769	731	689	-180
Age 5252	897	867	865	807	790	800	763	726	-171
Age 5353	925	876	864	845	815	777	788	756	-169
Age 5454	857	912	869	865	856	794	781	787	-70
Age 5555	862	842	898	863	843	843	786	767	-95
Age 5656	827	840	819	890	843	840	837	775	-52
Age 5757	830	822	828	814	891	840	830	836	6
Age 5858	814	830	816	818	807	886	839	825	11
Age 5959	762	796	809	795	798	791	873	824	62
Age 6060	748	761	788	804	802	810	798	872	124
Age 6161	740	736	749	766	789	786	800	790	50
Age 6262	679	730	722	736	751	777	768	785	106
Age 6363	703	660	707	710	717	727	761	752	49
Age 6464	493	693	642	698	699	703	714	749	256
Age 6565	478	479	681	630	691	681	686	710	232
Age 6666	459	469	464	670	617	678	664	662	203
Age 6767	514	452	471	458	662	607	663	658	144
Age 6868	467	501	433	464	443	646	586	645	178
Age 6969	422	459	489	427	462	438	630	574	152
Age 7070	387	414	446	472	418	452	422	610	223
Age 7171	402	385	395	433	459	405	442	411	9
Age 7272	367	390	374	384	419	447	394	427	60
Age 7373	332	363	384	370	386	404	441	391	59
Age 7474	321	324	354	379	361	376	391	440	119
Age 7575	331	306	296	340	360	346	356	375	44
Age 7676	315	334	303	290	338	357	340	349	34
Age 7777	334	302	320	296	280	329	344	327	-7
Age 7878	296	328	292	303	288	271	320	337	41
Age 7979	296	282	305	279	292	279	252	304	8
Age 8080	307	271	248	280	256	261	255	231	-76
Age 8181	289	298	255	242	274	242	257	246	-43
Age 8282	267	270	286	245	223	247	232	242	-25
Age 8383	263	246	257	272	227	211	229	216	-47
Age 8484	231	242	215	241	258	210	196	216	-15
Age 8585	1,340	1,351	1,376	1,380	1,403	1,471	1,459	1,433	93
Age 0517	9,783	9,762	9,713	9,608	9,584	9,476	9,360	9,215	-568