Montana - County Infection Estimates

See state-wide estimates here.

Click on a county name to view the infections estimates for that county.

See the Counties Summary page for a searchable and sortable table.

Note: Due to the inherent lag between infections and reporting of cases, our estimates of infections are as of 14 days ago.

Last updated: March 8, 2021

FIPS Code	County	Population	Confirmed Cases	% Currently Infected	% Total Infected
30111	Yellowstone	161,300	16,323	0.4	32.6
30063	Missoula	119,600	8,239	0.4	22.1
30031	Gallatin	114,434	12,479	1.0	35.0
30029	Flathead	103,806	11,156	1.0	34.3
30013	Cascade	81,366	7,747	0.5	31.1
30049	Lewis and Clark	69,432	6,406	0.6	29.2
30081	Ravalli	43,806	2,716	0.6	19.9
30093	Silver Bow	34,915	3,808	1.1	35.1
30047	Lake	30,458	1,941	0.5	20.1
30053	Lincoln	19,980	1,502	0.4	23.8
30067	Park	16,606	1,146	0.7	22.1
30041	Hill	16,484	1,933	0.6	37.9
30035	Glacier	13,753	1,522	0.2	35.6
30003	Big Horn	13,319	2,342	0.2	56.1
30043	Jefferson	12,221	1,020	0.5	26.5
30089	Sanders	12,113	592	0.3	15.3
30017	Custer	11,402	1,144	0.2	32.6
30027	Fergus	11,050	1,062	0.7	30.9
30085	Roosevelt	11,004	1,575	0.8	46.2
30083	Richland	10,803	1,075	0.9	31.8
30009	Carbon	10,725	838	0.3	25.4
30095	Stillwater	9,642	696	0.2	23.2
30001	Beaverhead	9,453	867	0.2	30.0
30023	Deer Lodge	9,140	1,051	0.6	36.8
30087	Rosebud	8,937	1,169	0.3	42.7
30021	Dawson	8,613	1,073	0.4	40.5
30057	Madison	8,600	710	1.1	26.5
30105	Valley	7,396	831	0.9	36.0
30077	Powell	6,890	890	0.1	43.3
30005	Blaine	6,681	706	0.4	34.4
30007	Broadwater	6,237	415	0.6	21.3
30099	Teton	6,147	430	0.4	22.1
30073	Pondera	5,911	457	0.1	25.1
30015	Chouteau	5,635	490	0.5	27.9
30101	Toole	4,736	706	0.1	51.1
30065	Musselshell	4,633	310	0.2	21.8
30061	Mineral	4,397	235	0.9	16.5
30071	Phillips	3,954	504	0.8	41.1
30097	Sweet Grass	3,737	369	1.3	32.1
30039	Granite	3,379	190	0.1	18.5
30091	Sheridan	3,309	391	0.3	39.2
30025	Fallon	2,846	278	0.2	33.4
30051	Liberty	2,337	116	0.2	16.7
30107	Wheatland	2,126	174	1.0	26.0
30045	Judith Basin	2,007	86	0.1	14.2
30059	Meagher	1,862	125	0.3	22.2
30019	Daniels	1,690	197	0.6	37.5
30075	Powder River	1,682	114	0.6	22.0
30055	McCone	1,664	179	0.7	34.2
30033	Garfield	1,258	76	0.0	20.6
30011	Carter	1,252	145	0.3	39.1
30079	Prairie	1,077	130	0.0	40.4
30109	Wibaux	969	118	0.6	40.3
30037	Golden Valley	821	53	0.6	21.0
30103	Treasure	696	55	0.6	25.5
30069	Petroleum	487	12	0.0	8.4