County
Missouri
Registered Donors
4,538,737
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
15,532
61.15%
andrew
11,621
66.08%
atchison
4,361
85.58%
audrain
14,217
57.25%
barry
24,577
68.62%
barton
8,437
72.78%
bates
11,682
71.92%
benton
13,706
69.83%
bollinger
6,351
52.44%
boone
151,222
82.64%
buchanan
58,387
67.48%
butler
24,868
58.96%
caldwell
6,151
67.96%
callaway
27,929
62.22%
camden
37,789
81.42%
cape girardeau
55,771
70.14%
carroll
5,147
60.17%
carter
3,442
57.45%
cass
84,127
78.77%
cedar
9,568
66.81%
chariton
4,091
55.58%
christian
70,336
77.59%
clark
5,275
77.23%
clay
200,302
79.03%
clinton
15,492
75.38%
cole
53,667
70.44%
cooper
11,200
65.49%
crawford
15,308
64.48%
dade
5,561
73.48%
dallas
10,413
60.47%
daviess
4,922
59.42%
dekalb
6,367
58.18%
dent
8,778
56.70%
douglas
7,762
58.17%
dunklin
16,998
58.86%
franklin
73,424
70.28%
gasconade
9,437
64.79%
gentry
4,048
62.43%
greene
235,197
79.73%
grundy
5,455
56.85%
harrison
4,993
60.00%
henry
15,068
68.26%
hickory
6,390
66.66%
holt
3,061
72.33%
howard
5,881
58.80%
howell
26,455
65.71%
iron
5,631
55.76%
jackson
534,539
75.72%
jasper
97,382
80.05%
jefferson
158,163
69.82%
johnson
42,232
77.89%
knox
2,331
59.16%
laclede
24,362
67.87%
lafayette
21,539
65.26%
lawrence
26,355
69.04%
lewis
7,390
75.33%
lincoln
41,147
68.44%
linn
7,655
64.71%
livingston
9,356
64.91%
mcdonald
16,609
72.53%
macon
9,188
60.87%
madison
7,163
59.13%
maries
3,939
44.79%
marion
21,525
75.73%
mercer
2,402
67.51%
miller
17,029
66.03%
mississippi
6,270
49.41%
moniteau
9,103
58.41%
monroe
5,194
59.89%
montgomery
7,803
69.09%
morgan
14,199
68.54%
new madrid
8,276
49.58%
newton
43,201
73.91%
nodaway
16,427
75.55%
oregon
6,065
58.26%
osage
8,194
60.54%
ozark
6,683
73.58%
pemiscot
8,785
56.31%
perry
11,805
61.50%
pettis
26,411
62.16%
phelps
32,057
72.18%
pike
10,042
57.21%
platte
92,467
86.80%
polk
20,501
63.10%
pulaski
40,197
76.26%
putnam
2,979
63.55%
ralls
6,864
66.65%
randolph
14,758
60.46%
ray
15,208
66.37%
reynolds
3,168
51.11%
ripley
7,586
57.04%
st charles
300,655
74.02%
st clair
35,281
364.13%
st francois
38,612
58.08%
st louis
692,062
69.62%
ste genevieve
11,624
64.85%
saline
13,788
60.32%
schuyler
2,336
51.52%
scotland
2,070
42.50%
scott
24,625
64.32%
shannon
4,469
54.48%
shelby
3,891
65.74%
stoddard
16,673
57.49%
stone
27,209
83.81%
sullivan
3,730
61.83%
taney
50,813
90.57%
texas
14,558
57.97%
vernon
14,265
69.97%
warren
25,187
68.83%
washington
11,796
47.94%
wayne
6,880
53.88%
webster
24,988
62.69%
worth
1,304
66.77%
wright
10,700
58.39%
st louis city
170,334
57.23%
total
4,388,796
71.34%
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 1/29/2026 10:00 AM)