County Map - Missouri Organ Donor

County
Missouri
Registered Donors
4,530,301
Percent Registered
Legend
- < 40%
- > 40%
- > 50%
- > 60%
- > 70%

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County Registered Donors Percent Registered

adair 15,519 61.10%

andrew 11,597 65.94%

atchison 4,347 85.30%

audrain 14,213 57.23%

barry 24,533 68.49%

barton 8,422 72.65%

bates 11,661 71.80%

benton 13,665 69.62%

bollinger 6,323 52.21%

boone 150,986 82.51%

buchanan 58,287 67.36%

butler 24,797 58.79%

caldwell 6,131 67.74%

callaway 27,881 62.11%

camden 37,750 81.33%

cape girardeau 55,702 70.05%

carroll 5,132 60.00%

carter 3,440 57.42%

cass 84,039 78.68%

cedar 9,543 66.63%

chariton 4,088 55.54%

christian 70,242 77.48%

clark 5,266 77.10%

clay 200,055 78.93%

clinton 15,488 75.36%

cole 53,542 70.27%

cooper 11,181 65.38%

crawford 15,265 64.30%

dade 5,543 73.24%

dallas 10,377 60.26%

daviess 4,915 59.34%

dekalb 6,348 58.00%

dent 8,761 56.59%

douglas 7,750 58.08%

dunklin 16,951 58.70%

franklin 73,248 70.11%

gasconade 9,424 64.70%

gentry 4,044 62.37%

greene 234,921 79.64%

grundy 5,451 56.81%

harrison 4,980 59.85%

henry 15,012 68.00%

hickory 6,384 66.60%

holt 3,065 72.42%

howard 5,881 58.80%

howell 26,388 65.54%

iron 5,626 55.71%

jackson 533,477 75.57%

jasper 97,225 79.92%

jefferson 157,852 69.68%

johnson 42,189 77.81%

knox 2,327 59.06%

laclede 24,339 67.81%

lafayette 21,505 65.15%

lawrence 26,317 68.94%

lewis 7,385 75.28%

lincoln 41,087 68.34%

linn 7,639 64.57%

livingston 9,331 64.74%

mcdonald 16,582 72.41%

macon 9,160 60.68%

madison 7,151 59.04%

maries 3,897 44.31%

marion 21,545 75.80%

mercer 2,402 67.51%

miller 16,988 65.87%

mississippi 6,252 49.26%

moniteau 9,090 58.33%

monroe 5,179 59.72%

montgomery 7,774 68.83%

morgan 14,150 68.30%

new madrid 8,214 49.21%

newton 43,113 73.76%

nodaway 16,405 75.45%

oregon 6,059 58.20%

osage 8,187 60.49%

ozark 6,675 73.49%

pemiscot 8,754 56.12%

perry 11,790 61.43%

pettis 26,356 62.03%

phelps 32,016 72.09%

pike 10,033 57.16%

platte 92,395 86.73%

polk 20,450 62.94%

pulaski 40,157 76.19%

putnam 2,970 63.35%

ralls 6,855 66.56%

randolph 14,709 60.26%

ray 15,198 66.32%

reynolds 3,160 50.98%

ripley 7,570 56.92%

st charles 300,159 73.89%

st clair 36,311 374.77%

st francois 38,540 57.97%

st louis 690,373 69.45%

ste genevieve 11,596 64.70%

saline 13,769 60.24%

schuyler 2,336 51.52%

scotland 2,045 41.98%

scott 24,586 64.21%

shannon 4,453 54.29%

shelby 3,882 65.59%

stoddard 16,639 57.37%

stone 27,160 83.66%

sullivan 3,723 61.71%

taney 50,726 90.41%

texas 14,515 57.80%

vernon 14,230 69.80%

warren 25,160 68.75%

washington 11,744 47.73%

wayne 6,859 53.72%

webster 24,916 62.51%

worth 1,305 66.82%

wright 10,672 58.24%

st louis city 168,614 56.65%

total 4,380,386 71.21%

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 2/19/2026 10:00 AM)