Mercer County Missouri - Government Site
Population: 3,584
Area: 454 square miles
County Seat: Princeton
Area Code(s) in use: 660
Time Zone: CST
Adjacent counties:
Decatur (IA) Grundy Harrison Putnam Sullivan Wayne (IA)
Airport
Princeton-Kauffman Memorial Airport
Building
Mercer County Home (historical)
Cemetery
Alley Cemetery, Anderson Cemetery, Barnes Cemetery, Brantley Cemetery, Brummitt Cemetery, Collins Cemetery, Coon Cemetery, Duree Cemetery, Eastin Cemetery, Fogleman Cemetery, Girdner Cemetery, Goshen Cemetery, Groff Cemetery, Half Rock Cemetery, Hollers Cemetery, Laughlin Cemetery, Lowery Cemetery, McKinney Cemetery, Mercer Cemetery, Middle Point Cemetery, Middleberry Cemetery, Moore Cemetery, Pleasant Hill Cemetery, Ravanna Cemetery, Salem Cemetery, South Cemetery, South Lineville Cemetery, Underwood Cemetery, Union Cemetery, Weisner Cemetery, White Oak Cemetery, White Oak Cemetery, Wilder Cemetery, Yingling Cemetery
Church
Antioch Church, Bethel Church, Coon Church, East Fork Church, Epworth Church, Fairview Church, Freedom Church, Goshen Church, Hanes Church, Hunter Church, Liberty Church, Otterbein Chapel, Saint Paul Church, Topsy Church
Civil
Mercer County, Township of Harrison, Township of Lindley, Township of Madison, Township of Marion, Township of Medicine, Township of Morgan, Township of Ravanna, Township of Somerset, Township of Washington
Dam
Akers Lake Dam, Allen Dam, Berndt Lake Dam, Berndt Lake NE SE Section 25 Dam, Berndt Lake SW SW Section 30 Dam, Campbell Lake Dam, Constable Lake Dam, Crowder Lake Dam, Dean Lake Dam, Hamilton Lake Section 33 Dam, Hamilton Lake Section 35 Dam, Hammond Brothers Lake Dam, Hidden Valley Lake Dam, Kelly Enterprises Lake Dam, King Lake Dam, Lake Marie Dam, Lake Paho Dam, Lions Community Park Lake Dam, Meisel Lake Dam, Shields Lake Dam, Twin Lake Dam, Whitt Lake Dam
Lake
Ballast Pit Lake, Booth Lake (historical), Wayman Lakes (historical)
Locale
Cottonwood, Heatherly Den, Honey
Park
Lake Paho State Wildlife Area, Lions Community Park
Populated Place
Adel, Alvord (historical), Burrows, Cleopatra, Dinsmore, Goshen, Half Rock, Ilia (historical), Mercer, Middlebury, Mill Grove, Modena, Princeton, Ravanna, Saline, South Lineville, Topsy, Wataga
Post Office
Adel Post Office, Brush Post Office
Reservoir
Akers Lake, Allen Pond, Berndt Lake, Berndt Lake NE SE Section 25, Berndt Lake SW SW Section 30, Campbell Lake, Constable Lake, Crowder Lake, Dean Lake, Hamilton Lake Section 33, Hamilton Lake Section 35, Hammond Brothers Lake, Hidden Valley Lake, Hidden Valley Reservoir, Kelly Enterprises Lake, King Lake, Lake Marie, Lake Paho, Lions Community Park Lake, Meisel Lake, Mercer Lake, Shields Lake, Twin Lake, Whitt Lake
School
Bain School (historical), Bellview School (historical), Bethlehem School (historical), Boatman School (historical), Brantley School (historical), Brush College School (historical), Cain School (historical), Calvert School (historical), Cavanaugh School (historical), Centennial School, Center School (historical), Central School (historical), Cherokee School, Cleopatra School (historical), Duncan School (historical), Early School (historical), East High Point School, East Pine School, East White School (historical), Fairly School (historical), Garland School (historical), Greenwood School (historical), Hamblin School (historical), Hamilton School (historical), Hickory Grove School (historical), Hickory School (historical), High Point School, Hutchinson School (historical), Illra School (historical), Indian School, Jones School (historical), Keith School (historical), Keller School (historical), Laughlin School (historical), Lone Star School (historical), Loughlin School, Lower Girdner School (historical), Lyons School (historical), Maple Grove School, Middle Point School (historical), Middleton School (historical), Mill Grove School, Modena School, Moss School (historical), New Zion School (historical), Nigh School (historical), Norton School, Oak School, Oakland School, Pilot Knob School (historical), Pin Oak School (historical), Pleasant Hill School, Pleasant Ridge School (historical), Prairie School (historical), Red Rock School, Rhoades School (historical), Rockhold School, Salem School, Scott Hill School, Shook School (historical), Smith School (historical), Spencer School (historical), Spencer School (historical), Squires School, Star School (historical), Toad Valley School (historical), Topsy School (historical), Union School (historical), Upper Girdner School (historical), Upper Tennessee School, Victor School, Walters School (historical), Wayman School, West High Point School, West Pine School, West White School (historical), White Oak School (historical), Wilds School, Willis School (historical)
Stream
Big Branch, Brush Creek, Cain Branch, Coal Creek, Collier Branch, Conner Branch, Conner Branch, Conner Branch, Hickory Branch, Irwin Creek, Irwin Creek, Irwin Creek, Jefferies Creek, Jefferies Creek, Jefferies Creek, Lick Branch, Little Creek, Little Muddy Creek, Little Muddy Creek, Little Muddy Creek, Little River, Little River, Little River, Marks Branch, Mineral Springs Branch, Pops Branch, Ragan Branch, Sand Creek, Sand Creek, Sand Creek, Wildcat Creek
| Race | Population |
| White |  3,534 |
| American Indian | 24 |
| Mixed | 16 |
| Black | 7 |
| Hawaiian & Pacific Islander | 2 |
| Asian | 1 |
| Additional population tables : | |
| State population table | |
| Missouri population by county | |