- Population: 31,447 (1990 census)
- Created: March 2, 1857
- County seat: West Plains
- Largest town: West Plains (Pop. 10,866)
- Name origin: James Howell
- Amy (Unincorporated)
- Located on Route FF just off US 160
- Latitude & Longitude: 36°36'20" N, 92°00'13" W
- Elevation: 1192
- Civil township: Benton
- USGS Quad: Caulfield
- Arditta (Unincorporated)
- Located on US 160 east of Caulfield
- Latitude & Longitude: 36°36'59" N, 92°03'45" W
- Elevation: 1092
- Civil township: Benton
- USGS Quad: Caulfield
- Bly (Unincorporated)
- Latitude & Longitude: 36°34'21" N, 92°03'30" W
- Survey: T. 22 N., R. 10 W., Sec. 16
- Elevation: 846
- Civil township: Benton
- USGS Quad: Caulfield
- Brandsville (Fourth-class city)
- Population: 174 (Change since 1990: +4.2%)
- Located along US 63 near the Oregon County line
- Latitude & Longitude: 36°39'01" N, 91°41'24" W
- Burnham (Unincorporated)
- Located at the end of Route AA south of Willow Springs
- Latitude & Longitude: 36°55'36" N, 91°57'27" W
- Elevation: 1340
- Civil township: Willow Springs
- USGS Quad: Willow Springs South
- Carson (Unincorporated)
- Latitude & Longitude: 36°42'35" N, 91°48'11" W
- Survey: T. 24 N., R. 8 W., Sec. 36
- Elevation: 916
- Civil township: Howell
- USGS Quad: West Plains
- Caulfield (Unincorporated)
- Located at junction US 160 and MO 101 near the Ozark County line
- Latitude & Longitude: 36°36'52" N, 92°06'17" W
- Elevation: 1029
- Civil township: Benton
- USGS Quad: Caulfield
- Chapel (Unincorporated)
- Latitude & Longitude: 36°56'08" N, 91°40'31" W
- Survey: T. 26 N., R. 7 W.
- Elevation: 1154
- Civil township: Chapel
- USGS Quad: Mountain View
- Chapin (Unincorporated)
- Located on the railroad southeast of West Plains
- Latitude & Longitude: 36°41'26" N, 91°46'17" W
- Elevation: 886
- Civil township: Howell
- USGS Quad: West Plains
- China (Unincorporated)
- Latitude & Longitude: 36°36'43" N, 91°53'58" W
- Elevation: 1053
- Civil township: South Fork
- USGS Quad: Moody
- Christy (Unincorporated)
- Latitude & Longitude: 36°35'22" N, 91°43'18" W
- Survey: T. 22 N., R. 7 W., Sec. 10
- Elevation: 930
- Civil township: Myatt
- USGS Quad: Koshkonong
- Cornertown (Unincorporated)
- Located on the Arkansas state line southeast of Lanton
- Latitude & Longitude: 36°29'57" N, 91°45'30" W
- Elevation: 786
- Civil township: Myatt
- USGS Quad: Salem Knob
- Cottbus (Unincorporated)
- Latitude & Longitude: 36°38'59" N, 91°50'53" W
- Survey: T. 23 N., R. 8 W., Sec. 21
- Elevation: 1075
- Civil township: Howell
- USGS Quad: West Plains
- Crider (Unincorporated)
- Located on Route AD just off Route KK
- Latitude & Longitude: 36°43'05" N, 92°04'41" W
- Elevation: 1096
- Civil township: Spring Creek
- USGS Quad: Pottersville
- Cull (Unincorporated)
- Located just beyond the end of Route ZZ near the Oregon County line
- Latitude & Longitude: 36°43'38" N, 91°41'03" W
- Civil township: Howell
- USGS Quad: Brandsville
- Cureall (Unincorporated)
- Located between Caulfield and Pottersville
- Latitude & Longitude: 36°40'02" N, 92°04'14" W
- Elevation: 943
- Civil township: Spring Creek
- USGS Quad: Pottersville
- Egypt Grove (Unincorporated)
- Located on US 160 between Caulfield and South Fork
- Latitude & Longitude: 36°36'51" N, 92°01'51" W
- Elevation: 1151
- Civil township: Benton
- USGS Quad: Caulfield
- Fanchon (Unincorporated)
- Located at the end of Route EE northeast of West Plains
- Latitude & Longitude: 36°47'42" N, 91°42'01" W
- Elevation: 922
- Civil township: Sisson
- USGS Quad: Peace Valley
- Frankville (Unincorporated)
- Latitude & Longitude: 36°41'50" N, 91°48'20" W
- Elevation: 968
- Civil township: Howell
- USGS Quad: West Plains
- Fruitville (Unincorporated)
- Latitude & Longitude: 36°36'58" N, 91°45'55" W
- Survey: T. 23 N., R. 7 W., Sec. 32
- Elevation: 880
- Civil township: Howell
- USGS Quad: Lanton
- Globe (Unincorporated)
- Latitude & Longitude: 36°33'46" N, 91°45'18" W
- Survey: T. 22 N., R. 7 W., Sec. 17
- Elevation: 799
- Civil township: Myatt
- USGS Quad: Lanton
- Grimmet (Unincorporated)
- Located at intersection CR 428 and CR 513 east of Siloam Springs
- Latitude & Longitude: 36°46'53" N, 92°00'23" W
- Civil township: Spring Creek
- USGS Quad: Siloam Springs
- Hocomo (Unincorporated)
- Located at intersection US 160 and Route FF
- Latitude & Longitude: 36°36'53" N, 92°00'14" W
- Civil township: Benton
- USGS Quad: Caulfield
- Homeland (Unincorporated)
- Latitude & Longitude: 36°40'03" N, 91°55'09" W
- Survey: T. 23 N., R. 9 W., Sec. 14
- Elevation: 1160
- Civil township: Howell
- USGS Quad: South Fork
- Horton (Unincorporated)
- Latitude & Longitude: 36°52'13" N, 92°04'26" W
- Survey: T. 25 N., R. 10 W., Sec. 5
- Elevation: 1074
- Civil township: Siloam Springs
- USGS Quad: Siloam Springs
- Hutton Valley (Unincorporated)
- Located near junction US 160 and Route U southeast of Willow Springs
- Latitude & Longitude: 36°57'42" N, 91°52'59" W
- Elevation: 1153
- Civil township: Hutton Valley
- USGS Quad: Willow Springs South
- Lanton (Unincorporated)
- Located near junction MO 17 and MO 142
- Latitude & Longitude: 36°31'02" N, 91°48'05" W
- Civil township: Myatt
- USGS Quad: Lanton
- Lebo (Unincorporated)
- Located on MO 142 east of Moody
- Latitude & Longitude: 36°31'13" N, 91°54'31" W
- Civil township: South Fork
- USGS Quad: Moody
- Leota (Unincorporated)
- Located on MO 142 west of Moody
- Latitude & Longitude: 36°31'53" N, 92°02'15" W
- Civil township: Benton
- USGS Quad: Caulfield
- Moody (Unincorporated)
- Located near junction MO 142 and Route E
- Latitude & Longitude: 36°31'46" N, 91°59'21" W
- Civil township: Benton
- USGS Quad: Moody
- Mott (Unincorporated)
- Latitude & Longitude: 36°34'31" N, 91°48'18" W
- Survey: T. 22 N., R. 8 W., Sec. 14
- Elevation: 979
- Civil township: Myatt
- USGS Quad: Lanton
- Mountain View (Fourth-class city)
- Population: 2,430 (Change since 1990: +19.4%)
- Latitude & Longitude: 36°59'43" N, 91°42'13" W
- Olden (Unincorporated)
- Located south of Pomona
- Latitude & Longitude: 36°50'02" N, 91°54'37" W
- Elevation: 1243
- Civil township: Dry Creek
- USGS Quad: Pomona
- Ott (Unincorporated)
- Located on the Arkansas state line southwest of Moody
- Latitude & Longitude: 36°29'55" N, 92°04'43" W
- Elevation: 820
- USGS Quad: Gepp
- Peace Valley (Unincorporated)
- Latitude & Longitude: 36°52'28" N, 91°43'52" W
- Elevation: 1093
- Civil township: Sisson
- USGS Quad: Peace Valley
- Pomona (Unincorporated)
- Located on US 63 between Willow Springs and West Plains
- Latitude & Longitude: 36°52'02" N, 91°54'51" W
- Elevation: 1241
- Civil township: Dry Creek
- USGS Quad: Pomona
- Pottersville (Unincorporated)
- Latitude & Longitude: 36°41'45" N, 92°01'52" W
- Elevation: 962
- Civil township: Spring Creek
- USGS Quad: Pottersville
- Siloam Springs (Unincorporated)
- Located at the end of Route T northwest of West Plains
- Latitude & Longitude: 36°47'44" N, 92°04'31" W
- Survey: T. 25 N., R. 10 W., Sec. 32
- Elevation: 1075
- Civil township: Siloam Springs
- USGS Quad: Siloam Springs
- South Fork (Unincorporated)
- Located at the intersection US 160 and Route E southwest of West Plains
- Latitude & Longitude: 36°37'40" N, 91°57'45" W
- Elevation: 1091
- Civil township: Benton
- USGS Quad: South Fork
- Sterling (Unincorporated)
- Located just off US 60 northwest of Willow Springs
- Latitude & Longitude: 37°02'38" N, 92°00'29" W
- Civil township: Willow Springs
- USGS Quad: Cabool SE
- Trask (Unincorporated)
- Located at the end of Route V west of Mountain View
- Latitude & Longitude: 36°58'39" N, 91°48'05" W
- Elevation: 1198
- Civil township: Hutton Valley
- USGS Quad: Trask
- Turnerville (Unincorporated)
- Located on Route Y northwest of Mountain View
- Latitude & Longitude: 37°02'26" N, 91°44'21" W
- Civil township: Goldsberry
- USGS Quad: Pine Crest
- West Plains (Third-class city)
- Population: 10,866 (Change since 1990: +21.9%)
- Latitude & Longitude: 36°43'41" N, 91°51'08" W
- Wetherhill (Unincorporated)
- Latitude & Longitude: 36°34'55" N, 92°06'32" W
- Survey: T. 22 N., R. 10 W., Sec. 18
- Civil township: Benton
- USGS Quad: Caulfield
- White Church (Unincorporated)
- Located on MO 17 between Route N and Route W
- Latitude & Longitude: 36°51'01" N, 91°47'10" W
- Elevation: 1075
- Civil township: Sisson
- USGS Quad: White Church
- Willow Springs (Fourth-class city)
- Population: 2,147 (Change since 1990: +5.3%)
- Latitude & Longitude: 36°59'32" N, 91°58'11" W
Name origin
Named for James Howell, first settler
| Year | Population | Percent change |
|---|
| 1860 | 3,169 | -- |
| 1870 | 4,218 | +33.1% |
| 1880 | 8,814 | +109.0% |
| 1890 | 18,618 | +111.2% |
| 1900 | 21,834 | +17.3% |
| 1910 | 21,065 | -3.5% |
| 1920 | 21,102 | +0.2% |
| 1930 | 19,672 | -6.8% |
| 1940 | 22,270 | +13.2% |
| 1950 | 22,725 | +2.0% |
| 1960 | 22,027 | -3.1% |
| 1970 | 23,521 | +6.8% |
| 1980 | 28,807 | +22.5% |
| 1990 | 31,447 | +9.2% |