Mercer, Missouri
7 topographic sheets cover this place, the earliest surveyed in 1954 and the latest in 1981. It stands in Marion Township. It lies in ZIP code area 64661. The Survey maps it on the Lineville quadrangle. 263 people lived here at the 2020 count. It stands 1,076 feet above sea level.
Population over time
2 figuresMercer fell from 318 to 263 between 2010 and 2020. These are the recorded population figures Wikidata holds for this place, reached through the Geographic Names Information System number this page is keyed on rather than by name, so they belong to this place and not to another of the same name. Most are census counts, but not all are: an early figure may be a founding or settlement estimate, and an estimate published within five years of a census is left out. The change column is computed, and is left blank where more than 20 years separate a figure from the one before it, because a gap that long is not a change between two counts.
| Year | People | Change |
|---|---|---|
| 2010 | 318 | |
| 2020 | 263 | -55 (-17%) |
Topographic sheets covering this place
5 surveys from 7 printed sheetsMatched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.
- 1954 USGS Centerville quadrangle1:250000, 3 printings
- 1957 USGS Centerville quadrangle1:250000
- 1958 USGS Centerville quadrangle1:250000
- 1964 USGS Lineville quadrangle1:24000
- 1981 USGS Leon quadrangle1:100000
Fires near this place
2 since 1997Regional context, not property-specific evidence. The federal wildfire occurrence database lists 2 fires within 5 miles of Mercer in 1997, burning about 53 acres in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.
| Reported cause | Fires |
|---|---|
| Debris and open burning | 1 |
| Smoking | 1 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 29 March 1997 | Smoking | 3.0 acres | Missouri Department of Conservation | not named |
| 27 March 1997 | Debris and open burning | 50 acres | Missouri Department of Conservation | not named |
Settlements close enough to share some of these fires:
Mines and quarries near this place
10 of 12 shownRegional context, not property-specific evidence. The federal mineral resources record lists 12 workings within 5 miles of Mercer: 11 past producers, 1 producer. 1 still produces. What was taken out: Stone, Crushed/Broken. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Marion Twp Quarry | Stone, Crushed/Broken | Past Producer | ||
| Mercer Quarry | Stone, Crushed/Broken | Producer | ||
| Ravanna Twp Quarry | Stone, Crushed/Broken | Past Producer | ||
| Unk | Stone, Crushed/Broken | Past Producer | ||
| Unk | Stone, Crushed/Broken | Past Producer | ||
| Unk | Stone, Crushed/Broken | Past Producer | ||
| Unk | Stone, Crushed/Broken | Past Producer | ||
| Unk | Stone, Crushed/Broken | Past Producer | ||
| Unk | Stone, Crushed/Broken | Past Producer | ||
| Unk | Stone, Crushed/Broken | Past Producer |
Storms near this place
17 since 1994Regional context, not property-specific evidence. The National Weather Service names Mercer in 17 storm reports between 1994 and 2025: 11 hail, 4 thunderstorm wind, 2 flash flood. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| August 2025 | Thunderstorm Wind | Mercer | - | Damage to a structure along US Highway 65 along with a snapped power pole. |
| August 2025 | Thunderstorm Wind | Mercer | - | Wires down and widespread power outages in northern Mercer County. |
| May 2024 | Hail | Mercer | - | Quarter sized hail was reported in Mercer. |
| August 2023 | Flash Flood | Mercer | - | Heavy rain led to flash flooding in Mercer and Grundy Counties. A water rescue was performed on US 65 north of Spickard. |
| June 2020 | Thunderstorm Wind | Mercer | - | There was a Twitter report of some power poles blown down near Lake Marie. |
| July 2014 | Thunderstorm Wind | Mercer | - | A member of the public reported a 60 mph wind gust near Mercer, Missouri. |
| July 2006 | Flash Flood | Mercer | - | Water flowing over road. |
| May 1997 | Hail | Mercer | - | Severe thunderstorms dropped dime-size hail over portions of Mercer County. Spotters reported dime-size hail at Cleopatra and a mile east of Mercer. |
| May 1994 | Hail | Mercer | - | Golf ball-size hail was reported. |
| May 2022 | Hail | Mercer | - | no account filed |
| June 2021 | Hail | Mercer | - | no account filed |
| June 2015 | Hail | Mercer | - | no account filed |
| July 2013 | Hail | Mercer | - | no account filed |
| September 2005 | Hail | Mercer | - | no account filed |
| April 2002 | Hail | Mercer | - | no account filed |
| April 2001 | Hail | Mercer | - | no account filed |
| April 2000 | Hail | Mercer | - | no account filed |
Nearest settlements
The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.
| Map | Place | Distance | Sheets |
|---|---|---|---|
| Ilia (historical) | 4.5 miles | 7 | |
| South Lineville | 4.7 miles | 7 | |
| Alvord (historical) | 5.1 miles | 10 | |
| Ravanna | 5.3 miles | 7 | |
| Wataga | 6.3 miles | 7 | |
| Cleopatra | 7.2 miles | 7 | |
| Adel | 7.4 miles | 7 | |
| Princeton | 8.0 miles | 10 |
Elsewhere
Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.
| Wikipedia article on Mercer | An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied. |
| Wikidata item Q954407 | The structured record the population and elevation above come from. Public domain (CC0). |
Provenance
This settlement is recorded in the Geographic Names Information System as feature 735721. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.




