| Flintstone, Maryland | |
| Settlement Type: | Census-designated place |
| Pushpin Map: | USA Maryland#USA |
| Pushpin Label Position: | none |
| Pushpin Map Caption: | Location within the State of Maryland |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Allegany |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.05 |
| Area Land Km2: | 1.05 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.41 |
| Area Land Sq Mi: | 0.41 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 167 |
| Population Density Km2: | 158.30 |
| Population Density Sq Mi: | 410.32 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 961 |
| Coordinates: | 39.7036°N -78.5758°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 21530 |
| Blank Name: | FIPS code |
| Blank Info: | 24-28425 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2583622 |
Flintstone is an unincorporated community and census-designated place (CDP) in Allegany County, Maryland, United States. As of the 2010 census it had a population of 177.[2] It is part of the Cumberland, MD-WV Metropolitan Statistical Area.
Flintstone lies between the southern foot of Tussey Mountain and a water gap in Warrior Mountain formed by Flintstone Creek, a tributary of Town Creek, which flows south to the Potomac River. Flintstone is located just south of the Mason–Dixon line, the Maryland/Pennsylvania border. Rocky Gap State Park and Green Ridge State Forest are both in the Flintstone zip code. The Breakneck Road Historic District was listed on the National Register of Historic Places in 1980.