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UnitedHealth Group
Medicare Advantage enrollment, state footprint, Star Rating, and multi-year growth — sourced live from CMS contract files.
Enrollment:
May 2026
State data:
May 2026
Penetration:
May 2026
Star Ratings:
2026
Generated: 2026-05-12 15:46 UTC
CMS source ↗
Total contract enrollment · May 2026 ·
$UNH
13,074,844
across 53 active states · member-weighted Star Rating 4.11 (2026)
-0.2%
Month-over-Month
-5.4%
Year-over-Year
2.2%
CAGR (5yr)
5-Year Enrollment History
Year-end (December) snapshots · current year as of May 2026
11,884,573
Dec 2021
12,432,619
Dec 2022
13,478,579
Dec 2023
13,342,955
Dec 2024
13,828,064
Dec 2025
13,074,844
May 2026
State Footprint
May 2026
Select state
Texas (TX) — 1,313,503
Florida (FL) — 878,934
North Carolina (NC) — 428,667
New York (NY) — 397,876
California (CA) — 384,650
Washington (WA) — 358,273
Ohio (OH) — 340,083
Missouri (MO) — 334,734
Arizona (AZ) — 328,007
Georgia (GA) — 316,201
Wisconsin (WI) — 277,304
Indiana (IN) — 253,422
Colorado (CO) — 249,560
Tennessee (TN) — 229,018
New Jersey (NJ) — 217,921
Illinois (IL) — 217,819
Louisiana (LA) — 205,063
Virginia (VA) — 189,208
Alabama (AL) — 162,319
South Carolina (SC) — 157,319
Oregon (OR) — 156,412
Oklahoma (OK) — 147,682
Pennsylvania (PA) — 146,882
Arkansas (AR) — 129,690
Utah (UT) — 126,683
Massachusetts (MA) — 112,399
Connecticut (CT) — 111,209
Nevada (NV) — 100,555
Idaho (ID) — 80,112
New Mexico (NM) — 79,112
Michigan (MI) — 78,618
Kansas (KS) — 78,472
Minnesota (MN) — 78,381
Mississippi (MS) — 73,962
Kentucky (KY) — 73,344
Iowa (IA) — 71,799
Nebraska (NE) — 53,866
Maine (ME) — 52,464
Hawaii (HI) — 51,348
Rhode Island (RI) — 45,604
Maryland (MD) — 42,833
West Virginia (WV) — 36,752
New Hampshire (NH) — 34,391
Delaware (DE) — 34,187
District of Columbia (DC) — 20,743
Wyoming (WY) — 9,258
South Dakota (SD) — 8,014
Montana (MT) — 7,863
North Dakota (ND) — 6,451
U.S. Virgin Islands (VI) — 5,559
Vermont (VT) — 4,101
Alaska (AK) — 589
Puerto Rico (PR) — 17
5-Year Annual Enrollment
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Snapshot
Enrollment
Net YoY
YoY %
2026-May
(latest — partial year)
13,074,844
-753,220
-5.4%
2025-Dec
13,828,064
+485,109
+3.6%
2024-Dec
13,342,955
-135,624
-1.0%
2023-Dec
13,478,579
+1,045,960
+8.4%
2022-Dec
12,432,619
+548,046
+4.6%
2021-Dec
11,884,573
—
—
Month-over-Month Enrollment — Past 12 Months
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Month
Enrollment
Net MoM
MoM %
2026-May
13,074,844
-25,351
-0.2%
2026-Apr
13,100,195
-36,950
-0.3%
2026-Mar
13,137,145
-28,118
-0.2%
2026-Feb
13,165,263
-76,461
-0.6%
2026-Jan
13,241,724
-586,340
-4.2%
2025-Dec
13,828,064
-11,723
-0.1%
2025-Nov
13,839,787
+13,127
+0.1%
2025-Oct
13,826,660
+26,420
+0.2%
2025-Sep
13,800,240
+29,995
+0.2%
2025-Aug
13,770,245
+40,267
+0.3%
2025-Jul
13,729,978
+27,194
+0.2%
2025-Jun
13,702,784
+66,608
+0.5%
State-by-State Enrollment
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State
Code
Enrollment
Counties
Share of Provider
Texas
TX
1,313,503
251
10.05%
Florida
FL
878,934
67
6.72%
North Carolina
NC
428,667
100
3.28%
New York
NY
397,876
62
3.04%
California
CA
384,650
57
2.94%
Washington
WA
358,273
39
2.74%
Ohio
OH
340,083
88
2.60%
Missouri
MO
334,734
115
2.56%
Arizona
AZ
328,007
15
2.51%
Georgia
GA
316,201
159
2.42%
Wisconsin
WI
277,304
72
2.12%
Indiana
IN
253,422
92
1.94%
Colorado
CO
249,560
63
1.91%
Tennessee
TN
229,018
95
1.75%
New Jersey
NJ
217,921
21
1.67%
Illinois
IL
217,819
102
1.67%
Louisiana
LA
205,063
64
1.57%
Virginia
VA
189,208
133
1.45%
Alabama
AL
162,319
67
1.24%
South Carolina
SC
157,319
46
1.20%
Oregon
OR
156,412
34
1.20%
Oklahoma
OK
147,682
77
1.13%
Pennsylvania
PA
146,882
67
1.12%
Arkansas
AR
129,690
75
0.99%
Utah
UT
126,683
27
0.97%
Massachusetts
MA
112,399
14
0.86%
Connecticut
CT
111,209
8
0.85%
Nevada
NV
100,555
13
0.77%
Idaho
ID
80,112
43
0.61%
New Mexico
NM
79,112
33
0.61%
Michigan
MI
78,618
82
0.60%
Kansas
KS
78,472
86
0.60%
Minnesota
MN
78,381
77
0.60%
Mississippi
MS
73,962
82
0.57%
Kentucky
KY
73,344
120
0.56%
Iowa
IA
71,799
93
0.55%
Nebraska
NE
53,866
73
0.41%
Maine
ME
52,464
16
0.40%
Hawaii
HI
51,348
4
0.39%
Rhode Island
RI
45,604
5
0.35%
Maryland
MD
42,833
24
0.33%
West Virginia
WV
36,752
55
0.28%
New Hampshire
NH
34,391
10
0.26%
Delaware
DE
34,187
3
0.26%
District of Columbia
DC
20,743
1
0.16%
Wyoming
WY
9,258
22
0.07%
South Dakota
SD
8,014
44
0.06%
Montana
MT
7,863
38
0.06%
North Dakota
ND
6,451
24
0.05%
U.S. Virgin Islands
VI
5,559
2
0.04%
Vermont
VT
4,101
14
0.03%
Alaska
AK
589
5
0.00%
Puerto Rico
PR
17
1
0.00%