County research and study

Missouri county reference

115 counties and county equivalents in Missouri. Search names or FIPS codes, compare Census geography and keep the original sources with your work.

• Adair County

  Missouri · FIPS 29001

  25,684 residents · 2025 estimate

• Andrew County

  Missouri · FIPS 29003

  18,241 residents · 2025 estimate

• Atchison County

  Missouri · FIPS 29005

  5,175 residents · 2025 estimate

• Audrain County

  Missouri · FIPS 29007

  24,528 residents · 2025 estimate

• Barry County

  Missouri · FIPS 29009

  36,200 residents · 2025 estimate

• Barton County

  Missouri · FIPS 29011

  11,795 residents · 2025 estimate

• Bates County

  Missouri · FIPS 29013

  16,512 residents · 2025 estimate

• Benton County

  Missouri · FIPS 29015

  20,536 residents · 2025 estimate

• Bollinger County

  Missouri · FIPS 29017

  10,646 residents · 2025 estimate

• Boone County

  Missouri · FIPS 29019

  191,746 residents · 2025 estimate

• Buchanan County

  Missouri · FIPS 29021

  83,540 residents · 2025 estimate

• Butler County

  Missouri · FIPS 29023

  41,904 residents · 2025 estimate

• Caldwell County

  Missouri · FIPS 29025

  9,012 residents · 2025 estimate

• Callaway County

  Missouri · FIPS 29027

  45,765 residents · 2025 estimate

• Camden County

  Missouri · FIPS 29029

  44,047 residents · 2025 estimate

• Cape Girardeau County

  Missouri · FIPS 29031

  83,999 residents · 2025 estimate

• Carroll County

  Missouri · FIPS 29033

  8,417 residents · 2025 estimate

• Carter County

  Missouri · FIPS 29035

  5,418 residents · 2025 estimate

• Cass County

  Missouri · FIPS 29037

  115,859 residents · 2025 estimate

• Cedar County

  Missouri · FIPS 29039

  14,888 residents · 2025 estimate

• Chariton County

  Missouri · FIPS 29041

  7,377 residents · 2025 estimate

• Christian County

  Missouri · FIPS 29043

  96,725 residents · 2025 estimate

• Clark County

  Missouri · FIPS 29045

  6,475 residents · 2025 estimate

• Clay County

  Missouri · FIPS 29047

  265,032 residents · 2025 estimate

• Clinton County

  Missouri · FIPS 29049

  21,661 residents · 2025 estimate

• Cole County

  Missouri · FIPS 29051

  77,908 residents · 2025 estimate

• Cooper County

  Missouri · FIPS 29053

  17,136 residents · 2025 estimate

• Crawford County

  Missouri · FIPS 29055

  22,929 residents · 2025 estimate

• Dade County

  Missouri · FIPS 29057

  7,804 residents · 2025 estimate

• Dallas County

  Missouri · FIPS 29059

  18,025 residents · 2025 estimate

• Daviess County

  Missouri · FIPS 29061

  8,558 residents · 2025 estimate

• DeKalb County

  Missouri · FIPS 29063

  9,795 residents · 2025 estimate

• Dent County

  Missouri · FIPS 29065

  14,584 residents · 2025 estimate

• Douglas County

  Missouri · FIPS 29067

  12,342 residents · 2025 estimate

• Dunklin County

  Missouri · FIPS 29069

  26,855 residents · 2025 estimate

• Franklin County

  Missouri · FIPS 29071

  108,090 residents · 2025 estimate

• Gasconade County

  Missouri · FIPS 29073

  14,784 residents · 2025 estimate

• Gentry County

  Missouri · FIPS 29075

  6,384 residents · 2025 estimate

• Greene County

  Missouri · FIPS 29077

  309,286 residents · 2025 estimate

• Grundy County

  Missouri · FIPS 29079

  9,744 residents · 2025 estimate

• Harrison County

  Missouri · FIPS 29081

  8,281 residents · 2025 estimate

• Henry County

  Missouri · FIPS 29083

  22,671 residents · 2025 estimate

• Hickory County

  Missouri · FIPS 29085

  9,044 residents · 2025 estimate

• Holt County

  Missouri · FIPS 29087

  4,200 residents · 2025 estimate

• Howard County

  Missouri · FIPS 29089

  10,180 residents · 2025 estimate

• Howell County

  Missouri · FIPS 29091

  40,798 residents · 2025 estimate

• Iron County

  Missouri · FIPS 29093

  9,318 residents · 2025 estimate

• Jackson County

  Missouri · FIPS 29095

  732,994 residents · 2025 estimate

• Jasper County

  Missouri · FIPS 29097

  127,428 residents · 2025 estimate

• Jefferson County

  Missouri · FIPS 29099

  233,132 residents · 2025 estimate

• Johnson County

  Missouri · FIPS 29101

  56,670 residents · 2025 estimate

• Knox County

  Missouri · FIPS 29103

  3,728 residents · 2025 estimate

• Laclede County

  Missouri · FIPS 29105

  36,943 residents · 2025 estimate

• Lafayette County

  Missouri · FIPS 29107

  33,531 residents · 2025 estimate

• Lawrence County

  Missouri · FIPS 29109

  39,401 residents · 2025 estimate

• Lewis County

  Missouri · FIPS 29111

  9,879 residents · 2025 estimate

• Lincoln County

  Missouri · FIPS 29113

  66,676 residents · 2025 estimate

• Linn County

  Missouri · FIPS 29115

  11,815 residents · 2025 estimate

• Livingston County

  Missouri · FIPS 29117

  14,708 residents · 2025 estimate

• Macon County

  Missouri · FIPS 29121

  15,190 residents · 2025 estimate

• Madison County

  Missouri · FIPS 29123

  12,858 residents · 2025 estimate

• Maries County

  Missouri · FIPS 29125

  8,397 residents · 2025 estimate

• Marion County

  Missouri · FIPS 29127

  28,525 residents · 2025 estimate

• McDonald County

  Missouri · FIPS 29119

  23,992 residents · 2025 estimate

• Mercer County

  Missouri · FIPS 29129

  3,404 residents · 2025 estimate

• Miller County

  Missouri · FIPS 29131

  25,817 residents · 2025 estimate

• Mississippi County

  Missouri · FIPS 29133

  12,003 residents · 2025 estimate

• Moniteau County

  Missouri · FIPS 29135

  15,428 residents · 2025 estimate

• Monroe County

  Missouri · FIPS 29137

  8,959 residents · 2025 estimate

• Montgomery County

  Missouri · FIPS 29139

  11,590 residents · 2025 estimate

• Morgan County

  Missouri · FIPS 29141

  22,418 residents · 2025 estimate

• New Madrid County

  Missouri · FIPS 29143

  15,086 residents · 2025 estimate

• Newton County

  Missouri · FIPS 29145

  62,263 residents · 2025 estimate

• Nodaway County

  Missouri · FIPS 29147

  20,174 residents · 2025 estimate

• Oregon County

  Missouri · FIPS 29149

  8,709 residents · 2025 estimate

• Osage County

  Missouri · FIPS 29151

  13,611 residents · 2025 estimate

• Ozark County

  Missouri · FIPS 29153

  9,172 residents · 2025 estimate

• Pemiscot County

  Missouri · FIPS 29155

  14,465 residents · 2025 estimate

• Perry County

  Missouri · FIPS 29157

  19,093 residents · 2025 estimate

• Pettis County

  Missouri · FIPS 29159

  44,254 residents · 2025 estimate

• Phelps County

  Missouri · FIPS 29161

  45,247 residents · 2025 estimate

• Pike County

  Missouri · FIPS 29163

  17,955 residents · 2025 estimate

• Platte County

  Missouri · FIPS 29165

  114,400 residents · 2025 estimate

• Polk County

  Missouri · FIPS 29167

  33,604 residents · 2025 estimate

• Pulaski County

  Missouri · FIPS 29169

  54,442 residents · 2025 estimate

• Putnam County

  Missouri · FIPS 29171

  4,546 residents · 2025 estimate

• Ralls County

  Missouri · FIPS 29173

  10,444 residents · 2025 estimate

• Randolph County

  Missouri · FIPS 29175

  24,513 residents · 2025 estimate

• Ray County

  Missouri · FIPS 29177

  23,398 residents · 2025 estimate

• Reynolds County

  Missouri · FIPS 29179

  5,992 residents · 2025 estimate

• Ripley County

  Missouri · FIPS 29181

  10,717 residents · 2025 estimate

• Saline County

  Missouri · FIPS 29195

  23,265 residents · 2025 estimate

• Schuyler County

  Missouri · FIPS 29197

  4,140 residents · 2025 estimate

• Scotland County

  Missouri · FIPS 29199

  4,796 residents · 2025 estimate

• Scott County

  Missouri · FIPS 29201

  37,975 residents · 2025 estimate

• Shannon County

  Missouri · FIPS 29203

  7,285 residents · 2025 estimate

• Shelby County

  Missouri · FIPS 29205

  5,870 residents · 2025 estimate

• St. Charles County

  Missouri · FIPS 29183

  426,499 residents · 2025 estimate

• St. Clair County

  Missouri · FIPS 29185

  9,976 residents · 2025 estimate

• St. Francois County

  Missouri · FIPS 29187

  67,809 residents · 2025 estimate

• St. Louis city

  Missouri · FIPS 29510

  278,144 residents · 2025 estimate

• St. Louis County

  Missouri · FIPS 29189

  990,911 residents · 2025 estimate

• Ste. Genevieve County

  Missouri · FIPS 29186

  18,689 residents · 2025 estimate

• Stoddard County

  Missouri · FIPS 29207

  28,284 residents · 2025 estimate

• Stone County

  Missouri · FIPS 29209

  32,503 residents · 2025 estimate

• Sullivan County

  Missouri · FIPS 29211

  5,738 residents · 2025 estimate

• Taney County

  Missouri · FIPS 29213

  57,001 residents · 2025 estimate

• Texas County

  Missouri · FIPS 29215

  25,994 residents · 2025 estimate

• Vernon County

  Missouri · FIPS 29217

  19,946 residents · 2025 estimate

• Warren County

  Missouri · FIPS 29219

  39,016 residents · 2025 estimate

• Washington County

  Missouri · FIPS 29221

  23,810 residents · 2025 estimate

• Wayne County

  Missouri · FIPS 29223

  10,782 residents · 2025 estimate

• Webster County

  Missouri · FIPS 29225

  43,054 residents · 2025 estimate

• Worth County

  Missouri · FIPS 29227

  1,914 residents · 2025 estimate

• Wright County

  Missouri · FIPS 29229

  19,671 residents · 2025 estimate

Use the county data

Use a county profile as a source-reading exercise or the geographic context for your own research. Keep the county FIPS identifier with your notes so that similarly named places in different states are not mixed.

The figures describe the county; they are not an evaluation of schools or an estimate of educational outcomes.

Geography: 2025 U.S. Census Gazetteer. Population: Vintage 2025 estimates, July 1, 2025. County equivalents include parishes, boroughs, independent cities and planning regions. Puerto Rico population is not supplied by this population file.