The 2018 Arkansas State Treasurer election was held on November 6, 2018, to elect the Arkansas State Treasurer. The election coincided with various other federal and state elections, including for governor of Arkansas.

Incumbent Republican State Treasurer Dennis Milligan was re-elected to a second term in office, defeating Libertarian challenger Ashley Ewald in a landslide.https://www.nwaonline.com/news/2018/nov/07/land-wins-land-office-race-3-incumbents/

Republican primary Candidates Nominee Dennis Milligan, incumbent state treasurer (2015–2023)

Libertarian primary Candidates Nominee Ashley Ewald

General election Results

By county CountyDennis MilliganRepublicanAshley EwaldLibertarianMarginTotal#%#%#%Arkansas3,76177.28%1,10622.72%2,65554.55%4,867Ashley4,47373.52%1,61126.48%2,86247.04%6,084Baxter11,02280.68%2,63919.32%8,38361.36%13,661Benton55,27273.18%20,25326.82%35,01946.37%75,525Boone9,48182.82%1,96717.18%7,51465.64%11,448Bradley1,90870.43%80129.57%1,10740.86%2,709Calhoun1,38879.68%35420.32%1,03459.36%1,742Carroll6,07068.95%2,73431.05%3,33637.89%8,804Chicot1,81653.30%1,59146.70%2256.60%3,407Clark4,26964.67%2,33235.33%1,93729.34%6,601Clay3,26980.66%78419.34%2,48561.31%4,053Cleburne8,13985.16%1,41814.84%6,72170.33%9,557Cleveland2,12482.55%44917.45%1,67565.10%2,573Columbia4,43172.57%1,67527.43%2,75645.14%6,106Conway4,57473.56%1,64426.44%2,93047.12%6,218Craighead19,04674.36%6,56825.64%12,47848.72%25,614Crawford13,54281.21%3,13418.79%10,40862.41%16,676Crittenden6,31054.87%5,18945.13%1,1219.75%11,499Cross4,46577.86%1,27022.14%3,19555.71%5,735Dallas1,40368.24%65331.76%75036.48%2,056Desha1,94661.06%1,24138.94%70522.12%3,187Drew3,72072.56%1,40727.44%2,31345.11%5,127Faulkner26,86171.50%10,70928.50%16,15242.99%37,570Franklin4,30682.46%91617.54%3,39064.92%5,222Fulton2,92080.64%70119.36%2,21961.28%3,621Garland22,71473.25%8,29526.75%14,41946.50%31,009Grant4,62383.70%90016.30%3,72367.41%5,523Greene8,91182.20%1,93017.80%6,98164.39%10,841Hempstead3,54073.43%1,28126.57%2,25946.86%4,821Hot Spring6,66077.19%1,96822.81%4,69254.38%8,628Howard2,62476.15%82223.85%1,80252.29%3,446Independence8,32982.95%1,71217.05%6,61765.90%10,041Izard3,68583.43%73216.57%2,95366.86%4,417Jackson3,15176.72%95623.28%2,19553.45%4,107Jefferson9,95554.55%8,29545.45%1,6609.10%18,250Johnson5,81078.64%1,57821.36%4,23257.28%7,388Lafayette1,48172.10%57327.90%90844.21%2,054Lawrence3,69080.20%91119.80%2,77960.40%4,601Lee1,03752.37%94347.63%944.75%1,980Lincoln2,16776.30%67323.70%1,49452.61%2,840Little River2,89974.72%98125.28%1,91849.43%3,880Logan4,46781.68%1,00218.32%3,46563.36%5,469Lonoke16,34580.16%4,04519.84%12,30060.32%20,390Madison4,29580.76%1,02319.24%3,27261.53%5,318Marion4,09580.80%97319.20%3,12261.60%5,068Miller8,59076.18%2,68623.82%5,90452.36%11,276Mississippi6,67467.26%3,24932.74%3,42534.52%9,923Monroe1,52060.51%99239.49%52821.02%2,512Montgomery2,28481.40%52218.60%1,76262.79%2,806Nevada1,71270.08%73129.92%98140.16%2,443Newton2,41080.79%57319.21%1,83761.58%2,983Ouachita4,48162.93%2,64037.07%1,84125.85%7,121Perry2,83377.74%81122.26%2,02255.49%3,644Phillips2,66053.45%2,31746.55%3436.89%4,977Pike2,82585.76%46914.24%2,35671.52%3,294Poinsett4,78380.01%1,19519.99%3,58860.02%5,978Polk5,06384.44%93315.56%4,13068.88%5,996Pope14,36580.79%3,41519.21%10,95061.59%17,780Prairie2,28281.94%50318.06%1,77963.88%2,785Pulaski67,55553.58%58,53146.42%9,0247.16%126,086Randolph4,45680.43%1,08419.57%3,37260.87%5,540Saline29,92574.10%10,45725.90%19,46848.21%40,382Scott2,36784.48%43515.52%1,93268.95%2,802Searcy2,59485.50%44014.50%2,15471.00%3,034Sebastian24,58775.15%8,13124.85%16,45650.30%32,718Sevier2,57581.31%59218.69%1,98362.61%3,167Sharp4,60982.05%1,00817.95%3,60164.11%5,617St. Francis3,09857.34%2,30542.66%79314.68%5,403Stone3,51381.56%79418.44%2,71963.13%4,307Union8,26871.20%3,34528.80%4,92342.39%11,613Van Buren4,88179.43%1,26420.57%3,61758.86%6,145Washington39,51162.68%23,52837.32%15,98325.35%63,039White18,11383.21%3,65516.79%14,45866.42%21,768Woodruff1,37869.11%61630.89%76238.21%1,994Yell4,28381.33%98318.67%3,30062.67%5,266Totals611,18970.89%250,94329.11%360,24641.79%862,132 Counties that flipped from Democratic to Libertarian Chicot (largest municipality: Dermott) Clark (largest municipality: Arkadelphia) Crittenden (largest municipality: West Memphis) Desha (largest municipality: Dumas) Jefferson (largest municipality: Pine Bluff) Lee (largest municipality: Marianna) Mississippi (largest municipality: Blytheville) Monroe (largest municipality: Brinkley) Ouachita (largest municipality: Camden) Phillips (largest municipality: Helena–West Helena) Pulaski (largest municipality: Little Rock) St. Francis (largest municipality: Forrest City) Woodruff (largest municipality: Augusta)

See also 2018 Arkansas elections

References