County
Missouri
Registered Donors
4,507,890
Percent Registered
Legend
< 40%
> 40%
> 50%
> 60%
> 70%
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NEW_MADRID
PEMISCOT
HOLT
PLATTE
BUCHANAN
ANDREW
NODAWAY
WORTH
GENTRY
DEKALB
CLINTON
CLAY
CALDWELL
DAVIESS
HARRISON
MERCER
GRUNDY
LIVINGSTON
CARROLL
RAY
LAFAYETTE
JACKSON
JOHNSON
HENRY
CASS
ST_CLAIR
BATES
CEDAR
VERNON
DADE
BARTON
JASPER
NEWTON
MCDONALD
LAWRENCE
BARRY
POLK
STONE
GREENE
TANEY
CHRISTIAN
WEBSTER
DALLAS
HICKORY
BENTON
PETTIS
SALINE
CHARITON
LINN
SULLIVAN
PUTNAM
SCHUYLER
ADAIR
MACON
RANDOLPH
HOWARD
COOPER
BOONE
COLE
MONITEAU
MORGAN
MILLER
CAMDEN
PULASKI
LACLEDE
WRIGHT
DOUGLAS
OZARK
HOWELL
TEXAS
PHELPS
MARIES
OSAGE
CALLAWAY
MONROE
SHELBY
KNOX
SCOTLAND
CLARK
LEWIS
MARION
RALLS
AUDRAIN
MONTGOMERY
PIKE
LINCOLN
WARREN
GASCONADE
CRAWFORD
DENT
SHANNON
OREGON
RIPLEY
CARTER
REYNOLDS
IRON
WASHINGTON
FRANKLIN
ST_LOUIS_CITY
ST_CHARLES
ST_LOUIS
JEFFERSON
ST_FRANCOIS
STE_GENEVIEVE
MADISON
WAYNE
BUTLER
DUNKLIN
STODDARD
BOLLINGER
PERRY
CAPE_GIRARDEAU
SCOTT
MISSISSIPPI
County
Registered Donors
Percent Registered
adair
15,445
60.81%
andrew
11,545
65.65%
atchison
4,346
85.28%
audrain
14,131
56.90%
barry
24,398
68.12%
barton
8,365
72.16%
bates
11,623
71.56%
benton
13,557
69.07%
bollinger
6,288
51.92%
boone
150,444
82.21%
buchanan
58,050
67.09%
butler
24,628
58.39%
caldwell
6,106
67.46%
callaway
27,808
61.95%
camden
37,586
80.98%
cape girardeau
55,478
69.77%
carroll
5,105
59.68%
carter
3,402
56.79%
cass
83,799
78.46%
cedar
9,526
66.51%
chariton
4,059
55.15%
christian
70,067
77.29%
clark
5,232
76.60%
clay
199,376
78.66%
clinton
15,438
75.11%
cole
53,328
69.99%
cooper
11,126
65.06%
crawford
15,210
64.07%
dade
5,497
72.63%
dallas
10,323
59.95%
daviess
4,878
58.89%
dekalb
6,308
57.64%
dent
8,720
56.33%
douglas
7,731
57.94%
dunklin
16,864
58.40%
franklin
72,871
69.75%
gasconade
9,387
64.44%
gentry
4,033
62.20%
greene
234,171
79.38%
grundy
5,431
56.60%
harrison
4,961
59.62%
henry
14,942
67.68%
hickory
6,365
66.40%
holt
3,052
72.12%
howard
5,854
58.53%
howell
26,270
65.25%
iron
5,606
55.52%
jackson
530,541
75.16%
jasper
96,893
79.65%
jefferson
157,093
69.34%
johnson
42,129
77.70%
knox
2,335
59.26%
laclede
24,186
67.38%
lafayette
21,457
65.01%
lawrence
26,231
68.71%
lewis
7,365
75.08%
lincoln
40,941
68.10%
linn
7,595
64.20%
livingston
9,288
64.44%
mcdonald
16,476
71.95%
macon
9,100
60.28%
madison
7,122
58.80%
maries
3,739
42.51%
marion
21,623
76.08%
mercer
2,399
67.43%
miller
16,909
65.56%
mississippi
6,188
48.76%
moniteau
9,040
58.00%
monroe
5,143
59.31%
montgomery
7,744
68.57%
morgan
14,069
67.91%
new madrid
8,138
48.75%
newton
42,869
73.34%
nodaway
16,383
75.35%
oregon
6,027
57.89%
osage
8,142
60.16%
ozark
6,675
73.49%
pemiscot
8,678
55.63%
perry
11,756
61.25%
pettis
26,256
61.79%
phelps
31,890
71.80%
pike
9,979
56.85%
platte
92,143
86.49%
polk
20,363
62.67%
pulaski
40,151
76.17%
putnam
2,954
63.01%
ralls
6,842
66.43%
randolph
14,649
60.01%
ray
15,141
66.07%
reynolds
3,118
50.31%
ripley
7,543
56.71%
st charles
298,986
73.60%
st clair
38,981
402.32%
st francois
38,360
57.70%
st louis
686,094
69.02%
ste genevieve
11,567
64.53%
saline
13,722
60.03%
schuyler
2,299
50.71%
scotland
1,990
40.85%
scott
24,433
63.81%
shannon
4,407
53.72%
shelby
3,856
65.15%
stoddard
16,541
57.04%
stone
27,006
83.18%
sullivan
3,698
61.30%
taney
50,610
90.21%
texas
14,407
57.37%
vernon
14,126
69.29%
warren
25,062
68.49%
washington
11,628
47.26%
wayne
6,793
53.20%
webster
24,790
62.19%
worth
1,295
66.31%
wright
10,633
58.02%
st louis city
164,245
55.18%
total
4,359,562
70.87%
Sources: Missouri Donor Registry System and U.S. Census Bureau (2020 Estimates). Data does not include registrations with county undesignated or out-of-state records. Data subject to change due to future data submissions or correction. (As of 4/15/2026 09:00 AM)