Lewis and Clark County, MT [30049] Demographic Characteristics & Trends
  -- a component of the Helena, MT metropolitan area [25740] -- 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	63,565	64,242	64,722	65,140	65,605	66,138	66,792	67,773	4,208
Births	...	757	729	754	770	778	794	794	768
Deaths	...	535	543	526	575	595	590	614	568
Natural Increase	...	222	186	228	195	183	204	180	200
Net Migration	...	450	292	196	278	351	453	799	403
International	...	29	27	10	-8	-5	-9	-8	5
Domestic	...	421	265	186	286	356	462	807	398

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	63,565	64,242	64,722	65,140	65,605	66,138	66,792	67,773	4,208
Male	31,379	31,679	32,005	32,181	32,444	32,820	33,044	33,439	2,060
Female	32,186	32,563	32,717	32,959	33,161	33,318	33,748	34,334	2,148
Group Quarters	...	1,946	1,946	1,946	1,947	1,950	1,951	1,952	6

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	63,565	64,242	64,722	65,140	65,605	66,138	66,792	67,773	4,208
White alone	60,175	60,718	61,076	61,415	61,892	62,350	62,856	63,697	3,522
Black alone	221	306	398	313	277	308	329	322	101
AIAN alone	1,350	1,351	1,358	1,400	1,392	1,391	1,477	1,531	181
Asian alone	354	360	376	405	439	471	459	483	129
NHOPI alone	50	50	47	56	53	57	59	62	12
Two+ Races	1,415	1,457	1,467	1,551	1,552	1,561	1,612	1,678	263
Hispanic (any race)	1,611	1,701	1,765	1,842	1,943	2,060	2,145	2,216	605

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	67,773	63,697	322	1,531	483	62	1,678	2,216
Age 0-4	4,061	3,611	28	173	23	5	221	269
Age 5-9	4,028	3,637	31	102	33	5	220	219
Age 10-14	4,087	3,779	28	100	30	1	149	195
Age 15-19	4,046	3,707	30	99	34	3	173	186
Age 20-24	3,812	3,475	20	130	39	6	142	209
Age 25-29	4,083	3,735	37	125	41	6	139	208
Age 30-34	4,416	4,151	33	95	44	4	89	192
Age 35-39	4,396	4,146	25	80	42	6	97	138
Age 40-44	3,725	3,509	18	96	26	2	74	113
Age 45-49	3,919	3,705	18	96	35	3	62	100
Age 50-54	4,457	4,257	18	82	27	6	67	90
Age 55-59	5,261	5,057	16	98	28	5	57	92
Age 60-64	5,243	5,048	8	101	21	2	63	82
Age 65-69	4,591	4,451	4	70	24	2	40	49
Age 70-74	3,033	2,958	3	35	13	2	22	31
Age 75-79	1,969	1,893	3	25	11	2	35	17
Age 80-84	1,204	1,162	1	14	7	0	20	15
Age 85 up	1,442	1,416	1	10	5	2	8	11

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Age 0000	785	764	736	762	774	789	804	804	19
Age 0101	796	797	727	715	761	783	800	832	36
Age 0202	789	786	810	755	751	787	782	808	19
Age 0303	823	792	789	816	754	730	792	782	-41
Age 0404	778	817	804	808	829	753	731	835	57
Age 0505	789	774	817	794	816	799	771	766	-23
Age 0606	793	798	755	816	808	808	819	790	-3
Age 0707	786	797	782	782	798	817	816	834	48
Age 0808	808	793	788	768	768	806	823	805	-3
Age 0909	811	808	785	783	787	774	819	833	22
Age 1010	779	816	778	804	794	779	789	826	47
Age 1111	789	785	839	811	789	800	800	801	12
Age 1212	780	797	784	833	821	815	802	808	28
Age 1313	817	800	813	794	840	817	838	813	-4
Age 1414	846	821	801	811	803	851	812	839	-7
Age 1515	821	871	812	795	826	797	838	780	-41
Age 1616	813	818	859	817	802	827	804	846	33
Age 1717	808	825	818	875	826	812	823	797	-11
Age 1818	826	801	802	799	834	778	804	788	-38
Age 1919	868	894	867	845	837	858	823	835	-33
Age 2020	834	851	856	835	811	800	822	800	-34
Age 2121	775	778	784	771	778	756	740	781	6
Age 2222	763	758	756	739	729	788	761	716	-47
Age 2323	727	740	758	738	731	737	777	739	12
Age 2424	744	752	764	757	740	737	755	776	32
Age 2525	757	773	755	797	755	740	788	815	58
Age 2626	739	752	786	744	773	756	772	821	82
Age 2727	766	765	783	775	782	799	785	810	44
Age 2828	811	819	788	815	787	826	830	823	12
Age 2929	818	828	820	807	821	776	809	814	-4
Age 3030	812	844	837	852	859	838	806	861	49
Age 3131	780	835	839	894	861	890	841	859	79
Age 3232	766	788	846	882	930	871	910	868	102
Age 3333	720	766	782	855	871	928	851	930	210
Age 3434	679	749	799	798	862	877	932	898	219
Age 3535	674	695	740	815	800	885	890	950	276
Age 3636	654	683	709	743	834	792	885	897	243
Age 3737	698	669	715	705	753	840	793	905	207
Age 3838	706	720	673	704	694	748	846	786	80
Age 3939	783	740	740	694	716	716	778	858	75
Age 4040	773	789	754	731	706	724	706	767	-6
Age 4141	773	792	813	753	733	719	746	726	-47
Age 4242	758	767	794	791	745	740	706	747	-11
Age 4343	808	756	776	798	796	736	739	733	-75
Age 4444	789	799	764	786	792	798	743	752	-37
Age 4545	886	784	828	756	786	810	806	748	-138
Age 4646	913	888	788	811	761	791	811	798	-115
Age 4747	984	927	895	799	832	783	791	830	-154
Age 4848	1,012	968	930	897	780	802	765	767	-245
Age 4949	1,058	1,022	974	911	894	784	816	776	-282
Age 5050	1,038	1,072	1,034	972	927	905	810	831	-207
Age 5151	1,009	1,047	1,057	1,033	947	942	905	813	-196
Age 5252	1,040	1,009	1,050	1,077	1,054	941	949	913	-127
Age 5353	1,082	1,030	997	1,030	1,054	1,035	936	955	-127
Age 5454	1,096	1,089	1,045	1,008	1,035	1,067	1,018	945	-151
Age 5555	1,039	1,084	1,076	1,045	980	1,035	1,071	1,026	-13
Age 5656	1,070	1,043	1,096	1,090	1,051	998	1,043	1,082	12
Age 5757	1,060	1,071	1,048	1,081	1,088	1,052	1,011	1,056	-4
Age 5858	1,029	1,049	1,073	1,049	1,078	1,100	1,058	1,020	-9
Age 5959	1,056	1,039	1,068	1,072	1,059	1,075	1,079	1,077	21
Age 6060	1,036	1,030	1,019	1,032	1,065	1,052	1,065	1,060	24
Age 6161	949	1,017	1,012	988	1,024	1,058	1,036	1,067	118
Age 6262	868	949	1,020	1,017	984	1,021	1,048	1,043	175
Age 6363	907	860	933	1,017	1,024	990	1,034	1,054	147
Age 6464	631	892	847	909	1,016	1,012	980	1,019	388
Age 6565	648	623	912	833	920	998	1,003	978	330
Age 6666	650	622	608	880	816	907	973	988	338
Age 6767	629	632	603	608	879	809	879	963	334
Age 6868	567	612	618	592	598	861	790	872	305
Age 6969	511	557	596	608	580	591	844	790	279
Age 7070	448	494	544	581	588	563	568	820	372
Age 7171	436	449	488	527	565	566	558	560	124
Age 7272	396	429	435	480	526	563	564	543	147
Age 7373	370	386	420	427	467	510	558	569	199
Age 7474	331	362	388	415	422	465	505	541	210
Age 7575	300	313	344	368	380	392	452	487	187
Age 7676	280	291	308	342	359	377	377	434	154
Age 7777	287	274	280	294	320	349	366	361	74
Age 7878	270	263	260	265	264	306	334	358	88
Age 7979	263	262	253	263	257	254	311	329	66
Age 8080	256	254	248	229	252	261	243	292	36
Age 8181	254	251	241	245	227	247	254	235	-19
Age 8282	215	241	235	234	237	226	239	248	33
Age 8383	207	201	225	227	225	219	213	229	22
Age 8484	204	197	195	214	225	209	208	200	-4
Age 8585	1,268	1,297	1,334	1,352	1,382	1,415	1,420	1,442	174
Age 0517	10,440	10,503	10,431	10,483	10,478	10,502	10,554	10,538	98