Jefferson County, MT [30043] 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	11,406	11,371	11,317	11,435	11,478	11,553	11,770	11,891	485
Births	...	87	73	103	82	83	88	87	86
Deaths	...	89	98	110	103	114	72	112	100
Natural Increase	...	-2	-25	-7	-21	-31	16	-25	-14
Net Migration	...	-32	-28	124	68	105	202	147	84
International	...	3	6	5	5	6	6	6	5
Domestic	...	-35	-34	119	63	99	196	141	78

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	11,406	11,371	11,317	11,435	11,478	11,553	11,770	11,891	485
Male	5,809	5,772	5,747	5,807	5,830	5,839	5,959	6,018	209
Female	5,597	5,599	5,570	5,628	5,648	5,714	5,811	5,873	276
Group Quarters	...	230	230	230	230	230	230	230	0

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Total Population	11,406	11,371	11,317	11,435	11,478	11,553	11,770	11,891	485
White alone	10,931	10,886	10,790	10,901	10,901	10,987	11,191	11,324	393
Black alone	18	24	46	48	42	44	38	38	20
AIAN alone	176	174	179	174	197	200	210	211	35
Asian alone	39	40	47	47	51	53	56	57	18
NHOPI alone	2	2	2	2	2	2	3	6	4
Two+ Races	240	245	253	263	285	267	272	255	15
Hispanic (any race)	228	241	214	239	261	269	294	277	49

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	11,891	11,324	38	211	57	6	255	277
Age 0-4	486	446	1	15	0	0	24	18
Age 5-9	670	627	3	13	2	0	25	22
Age 10-14	753	700	5	18	5	0	25	24
Age 15-19	770	723	6	14	2	1	24	25
Age 20-24	484	455	3	9	2	0	15	14
Age 25-29	453	431	2	9	1	1	9	15
Age 30-34	540	504	2	16	5	0	13	7
Age 35-39	675	650	2	8	2	2	11	36
Age 40-44	664	630	2	12	8	0	12	21
Age 45-49	821	775	1	22	6	2	15	13
Age 50-54	917	879	2	16	6	0	14	13
Age 55-59	1,038	997	3	20	2	0	16	12
Age 60-64	1,157	1,119	4	13	2	0	19	19
Age 65-69	1,042	1,009	2	12	7	0	12	13
Age 70-74	681	666	0	4	2	0	9	10
Age 75-79	396	386	0	5	1	0	4	5
Age 80-84	198	189	0	2	2	0	5	6
Age 85 up	146	138	0	3	2	0	3	4

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

Item	2010	2011	2012	2013	2014	2015	2016	2017	2010-2017
Age 0000	113	88	73	100	82	83	88	87	-26
Age 0101	108	102	90	82	107	67	91	104	-4
Age 0202	106	116	103	102	90	97	78	97	-9
Age 0303	127	108	113	113	105	99	104	92	-35
Age 0404	117	128	105	124	113	123	115	106	-11
Age 0505	113	116	128	112	130	136	123	113	0
Age 0606	142	113	125	138	109	139	138	126	-16
Age 0707	141	137	112	131	151	124	147	147	6
Age 0808	150	134	135	117	141	144	133	148	-2
Age 0909	137	154	139	142	112	143	152	136	-1
Age 1010	145	130	156	144	146	106	149	151	6
Age 1111	162	144	131	155	150	139	111	159	-3
Age 1212	180	173	147	147	157	151	152	128	-52
Age 1313	155	173	170	151	137	165	151	155	0
Age 1414	160	155	177	178	159	143	170	160	0
Age 1515	194	163	158	183	167	163	151	180	-14
Age 1616	184	192	175	165	186	176	176	162	-22
Age 1717	180	171	202	161	167	187	174	166	-14
Age 1818	141	147	148	161	131	139	157	144	3
Age 1919	97	109	106	108	135	104	102	118	21
Age 2020	82	97	98	92	105	107	106	100	18
Age 2121	80	83	98	102	90	103	104	107	27
Age 2222	81	86	79	103	100	85	108	102	21
Age 2323	73	87	92	90	103	114	92	93	20
Age 2424	79	72	86	93	80	112	88	82	3
Age 2525	75	76	57	84	86	80	115	86	11
Age 2626	69	74	68	67	92	90	78	103	34
Age 2727	87	82	84	88	84	93	83	88	1
Age 2828	99	87	72	91	93	89	83	91	-8
Age 2929	90	106	84	83	95	101	97	85	-5
Age 3030	96	90	114	100	87	105	104	115	19
Age 3131	93	90	99	117	103	88	109	106	13
Age 3232	92	95	94	109	119	100	94	120	28
Age 3333	100	96	91	105	106	128	107	82	-18
Age 3434	91	102	100	96	106	110	134	117	26
Age 3535	94	90	99	102	92	112	126	141	47
Age 3636	106	97	86	107	108	98	131	140	34
Age 3737	123	102	91	88	109	120	112	151	28
Age 3838	126	121	108	93	90	114	113	113	-13
Age 3939	145	126	121	108	100	109	115	130	-15
Age 4040	154	145	130	134	108	105	136	121	-33
Age 4141	141	158	160	133	142	122	120	146	5
Age 4242	140	145	163	161	141	137	133	116	-24
Age 4343	150	140	138	164	167	142	128	143	-7
Age 4444	155	152	149	148	176	164	156	138	-17
Age 4545	165	163	156	150	151	173	168	156	-9
Age 4646	193	159	168	150	152	156	170	166	-27
Age 4747	199	199	165	164	151	148	159	174	-25
Age 4848	203	203	206	158	167	160	156	174	-29
Age 4949	214	207	202	209	154	165	158	151	-63
Age 5050	207	207	202	201	210	159	175	168	-39
Age 5151	220	202	207	200	191	209	158	175	-45
Age 5252	229	213	205	200	195	197	215	159	-70
Age 5353	244	232	212	204	207	198	206	212	-32
Age 5454	252	242	225	211	203	200	200	203	-49
Age 5555	240	242	236	232	208	206	203	197	-43
Age 5656	234	238	236	221	235	210	209	200	-34
Age 5757	245	234	240	236	212	221	214	207	-38
Age 5858	236	237	239	240	238	215	222	212	-24
Age 5959	239	235	230	235	235	241	217	222	-17
Age 6060	200	245	238	235	243	236	244	220	20
Age 6161	192	205	236	234	222	240	231	235	43
Age 6262	218	190	196	231	239	230	238	236	18
Age 6363	215	222	191	193	235	235	229	244	29
Age 6464	165	215	221	196	188	237	233	222	57
Age 6565	152	172	205	225	200	193	235	229	77
Age 6666	145	141	165	194	220	195	182	231	86
Age 6767	146	151	137	164	191	210	192	181	35
Age 6868	105	144	144	132	155	185	215	187	82
Age 6969	102	105	144	136	131	155	179	214	112
Age 7070	103	97	100	130	138	131	148	172	69
Age 7171	90	104	98	103	136	134	129	145	55
Age 7272	83	82	98	92	96	123	127	119	36
Age 7373	81	82	83	95	91	91	124	124	43
Age 7474	67	81	82	81	94	89	95	121	54
Age 7575	70	59	74	78	84	89	86	96	26
Age 7676	53	68	48	67	76	73	88	79	26
Age 7777	51	53	67	45	60	73	73	83	32
Age 7878	39	46	50	62	39	49	70	67	28
Age 7979	38	35	47	48	60	37	48	71	33
Age 8080	37	38	35	47	45	51	34	48	11
Age 8181	47	37	37	32	42	42	47	31	-16
Age 8282	38	44	33	30	26	38	40	44	6
Age 8383	42	37	39	32	26	27	40	39	-3
Age 8484	24	36	34	34	29	20	23	36	12
Age 8585	110	117	132	136	146	156	156	146	36
Age 0517	2,043	1,955	1,955	1,924	1,912	1,916	1,927	1,931	-112