1850 Atlas
| Name | What | Place | Pop | Other |
| Catalpa Grove | PO | Greene Co, KY | ||
| Catalpa Grove | PO | Marshall Co, TN | ||
| Catalpa Grove | PO | Benton Co, IN | ||
| Cataract | PO | Owen Co, IN | ||
| Catasauqua | PO | Lehigh Co, PA | ||
| Catatone | PO | Tioga Co, NY | ||
| Cataula | PO | Harris Co, GA | ||
| Catawba | PO | Chester dist, SC | ||
| Catawba | PO | Botetourt Co, VA | ||
| Catawba | PO | Clark Co, OH | ||
| Catawba Creek | PO | Gaston Co, NC | ||
| Catawba Springs | PV | Lincoln Co, NC | ||
| Catawba View | PO | Caldwell Co, NC | water by Catawba river | |
| Catawissa | PT | Columbia Co, PA | 1,143 | water by Susquehanna river |
| Catawissa Forge | V | Catawissa Twp, Columbia Co, PA | ||
| Catawissa Valley | PO | Schuylkill Co, PA | ||
| Catfish | PO | Marion dist, SC | ||
| Catfish Furnice | PO | Clarion Co, PA | ||
| Catherine | PT | Chemung Co, NY | 3,070 | water by Catherine's creek |
| Catherine Lake | PO | Onslow Co, NY | ||
| Cathcart | PO | White Co, IN | ||
| Cathey's Creek | PO | Buncombe Co, NC | ||
| Catlettsburgh | PV | Greenup Co, KY | water by Ohio river | |
| Catlin | T | Chemung Co, NY | 1,474 | water by Catherine's creek |
| Cato | PT | Cayuga Co, NY | 2,247 | water by Seneca river & Cross lake |
| Cato | PO | Clay Co, IL | ||
| Catoctin Furnace | PO | Frederick Co, ME | ||
| Cato Four Corners | PO | Cato Twp, Cayuga Co, NY | ||
| Caton | T | Steuben Co, NY | 1,214 | water by tributaries of Chemung river |
| Catonsville | PV | Baltimore Co, MD | ||
| Cato Springs | PO | Rankin Co, MS | ||
| Catron | PO | Lawrence Co, TN | ||
| Catskill | PT, CH | Greene Co, NY | 5,454 | seat of justice, water by Hudson river |
| Cattaraugus | PO | Cattaraugus Co, NY | ||
| Caughdendy | PO | Oswego Co, NY | ||
| Caughnawaga | V | Mohawk twp, Montgomery Co, NY | water by Mohawk river | |
| Cauleysville | V | Covington Co, AL | ||
| Cave | PO | Franklin Co, IL | ||
| Cave | PO | White Co, TN | ||
| Cave in Rock | PO | Hardin Co, IL | ||
| Cave Hill | PT | Washington Co, AR | 1,082 | |
| Cavehill | PO | Greene Co, TN | ||
| Cavendish | PT | Windsor Co, VT | 1,576 | water by Black river & Twenty Mile stream |
| Cave Spring | PO | Floyd Co, GA | ||
| Cave Spring | PO | Maury Co, TN | ||
| Cave Spring | PO | Wright Co, ME | ||
| Cave Spring | PO | Roanoke Co, VA | ||
| Cavetown | PV | Washington Co, MD | 167 | |
| Cayuga | PV | Aurelius twp, Cayuga Co, NY | on Cayuga lake | |
| Cayuga | PO | Jackson Co, MI | ||
| Cayuga | PO | Hinds Co, MS | ||
| Cayuta | PT | Chemung Co, NY | 1,035 | water by Cayuga creek |
| Cayuta | PO | Tompkins Co, NY | ||
| Cazenovia | PT | Madison Co, NY | 4,812 | water by Chittenango creek & Cazenovia lake |
| Cazenovia | PO | Cook Co, IL | ||
| Cearcy | T | Phillips Co, AR | ||
| Cecil | T | Washington Co, PA | 1,008 | water by Miller's branch of Chartier's creek |
| Cecil's Tavern | PO | Anne Arundel Co, MD | ||
| Ceciltown | PV | Cecil Co, MD | ||
| Cedar | T | Boone Co, MO | ||
| Cedar | T | Callaway Co, ME | ||
| Cedar | PO | Allen Co, IN | ||
| Cedar | PO | Livingston Co, MI | ||
| Cedar Bayou | PO | Liberty Co, TX | ||
| Cedar Bluff | PV, CH | Cherokee Co, AL | seat of justice | |
| Cedar Bluff | PO | Okibbeha Co, MS | ||
| Cedar Bluff | PO | Tazwell Co, VA | ||
| Cedarburgh | PO | Washington Co, WI | ||
| Cedar Branch | PO | Campbell Co, GA | ||
| Cedar Creek | T | Cooper Co, MO | ||
| Cedar Creek | PO | Ocean Co, NJ | ||
| Cedar Creek | Hundred & PV | Sussex Co, DE | 2,326 | |
| Cedar Creek | PO | Frederick Co, VA | ||
| Cedar Creek | PO | Rutherford Co, NC | ||
| Cedar Creek | PO | Richland dist, SC | ||
| Cedar Creek | PO | Dooly Co, GA | ||
| Cedar Creek | PO | Owen Co, KY | ||
| Cedar Creek | T | Allen Co, IN | 814 | |
| Cedar Creek | PO | Greene Co, TN | ||
| Cedar Creek | PO | Warren Co, IL | ||
| Cedar Creek | PO | Barry C, MI | ||
| Cedar Creek | PV | Lowndes Co, MS | ||
| Cedar Creek | PO | Washington Co, WI | ||
| Cedar Creek Mills | PO | Stephenson Co, IL | ||
| Cedar Falls | PO | Black Hawk Co, IA | ||
| Cedar Falls | PO | Randolph Co, NC | ||
| Cedar Falls | PO | Greenville dist, SC | ||
| Cedar Ford | PO | Grainger Co, TN | ||
| Cedar Grove | PO | Union dist, SC | ||
| Cedar Grove | PO | Orange Co, NC | ||
| Cedar Grove | PO | Jefferson Co, AL | ||
| Cedar Grove | PO | Franklin Co, IN | ||
| Cedar Grove | PO | Kaufman Co, TX | ||
| Cedar Grove | PO | Sheboygan Co, WI | ||
| Cedar Grove Mills | PO | Rockbridge Co, VA | ||
| Cedar Hill | PO | Bethlehem twp, Albany Co, NY | ||
| Cedar Hill | PO | Augusta Co, VA | ||
| Cedar Hill | PO | Anson Co, NC | ||
| Cedar Hill | PO | Albany Co, NY | ||
| Cedar Key | PO | Levy Co, FL | ||
| Cedar Lake | PO | Herkimer Co, NY | ||
| Cedar Lake | PO | Calhoun Co, MI | ||
| Cedar Lake | PO | Lake Co, IN | ||
| Cedar Lake | PO | Brazoria Co, TX | ||
| Cedar Lawn | PO | Lunenburgh Co, VA | ||
| Cedar Plains | PO | Morgan Co, AL | ||
| Cedar Point | PO | Page Co, VA | ||
| Cedar River | PO | Cedar Co, IA | ||
| Cedar Rapids | PO | Linn Co, IA | ||
| Cedar Ridge | PO | Murray Co, GA | ||
| Cedar Shoal | PO | Chester dist, SC | ||
| Cedar Spring | PO | Wythe Co, VA | ||
| Cedar Spring | PO | Cumberland Co, PA | ||
| Cedar Spring | PO | Benton Co, AL | ||
| Cedar Spring Asylum | PO | Spartanburgh dist, SC | ||
| Cedar Springs | PO | Spartanburgh dist, SC | ||
| Cedar Springs | PO | Allen Co, KY | ||
| Cedar Swamp | PV | Oyster Bay twp, Queens Co, NY | ||
| Cedartown | PV | Paulding Co, GA | water by Tallapoosa river | |
| Cedar Tree | PO | Talladega Co, AL | ||
| Cedar Valley | PO | Wayne Co, OH | ||
| Cedarville | PV | Linchfield twp, Cumberland Co, NJ | water by Cedar creek | |
| Cedarville | PO | Washington Co, VA | ||
| Cedarville | PO | Grenne Co, OH | ||
| Cedron | PO | Clermont Co, OH | ||
| Celestine | PO | Dubois Co, IN | ||
| Celina | PV, CH | Mercer Co, OH | 222 | seat of justice, on the reservoir of Miami canal |
| Celina | PO | Jackson Co, TN | ||
| Centenary College | PO | Rankin Co, MS | ||
| Central | PO | Columbia Co, PA | ||
| Central | T | St Louis Co, MO | ||
| Central Bridge | PO | Schoharie twp, Schoharie Co, NY | ||
| Central College | PO | Franklin Co, OH | ||
| Central Plains | PO | Fluvanna Co, VA | ||
| Central Point | PO | Caroline Co, VA | ||
| Central Square | PO | Hastings twp, Oswego Co, NY | ||
| Central Village | PV | Windham Co, CT |