| Unit Pref: | Imperial |
| Settlement Type: | Township |
| Official Name: | Maryland Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Ogle |
| Leader Title: | Supervisor |
| Leader Name: | Fred Wiederholtz |
| Area Total Sq Mi: | 36.04 |
| Area Land Sq Mi: | 36.02 |
| Area Water Sq Mi: | 0.02 |
| Area Water Percent: | 0.06 |
| Population As Of: | 2010 |
| Population Density Sq Mi: | 14.9 |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 512 |
| Blank Name: | FIPS code |
| Blank Info: | 17-141-47358 |
Maryland Township is located in Ogle County, Illinois. As of the 2010 census, its population was 535 and it contained 251 housing units.[2]
"Whereas, It appears from a communication from the Auditor of State to the Clerk of the County Court that, by a decision in his office, the names of the Towns [''sic'' Townships] of Harrison, Eagle and Brooklyn must be changed, in pursuance of which the name of the Town is changed to the name of Maryland; the name of the Town of Brooklyn is changed to Rockvale, and the name of the Town of Eagle is changed to the name of Pine Rock." [Nov. 12, 1850][3]
According to the 2010 census, the township has a total area of, of which (or 99.94%) is land and (or 0.06%) is water.[2]