| Official Name: | Spencerville, Maryland |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Maryland#USA |
| Pushpin Label: | Spencerville |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Montgomery |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 4.05 |
| Area Land Km2: | 4.04 |
| Area Water Km2: | 0.01 |
| Area Total Sq Mi: | 1.56 |
| Area Land Sq Mi: | 1.56 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 1812 |
| Population Density Km2: | 447.99 |
| Population Density Sq Mi: | 1160.05 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 535 |
| Coordinates: | 39.1239°N -76.9806°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 20868 |
| Area Code: | 240 & 301 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2583689 |
| Blank1 Name: | FIPS code |
| Blank1 Info: | 24-74050 |
Spencerville is an unincorporated community and census-designated place in Montgomery County, Maryland, United States. Spencerville is 1miles north of Cloverly. Spencerville has a post office with ZIP code 20868.[3] As of the 2020 census, the population was 1,812.[2]