Marklesburg, Pennsylvania should not be confused with Markleysburg, Pennsylvania.
| Official Name: | Marklesburg, Pennsylvania |
| Settlement Type: | Borough |
| Pushpin Map: | Pennsylvania |
| Pushpin Label Position: | left |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Huntingdon |
| Government Type: | Borough Council |
| Leader Title: | Mayor |
| Leader Name: | Jason Miess (R) |
| Established Title: | Settled |
| Established Title1: | Incorporated |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.72 |
| Area Land Km2: | 2.68 |
| Area Water Km2: | 0.04 |
| Area Total Sq Mi: | 1.05 |
| Area Land Sq Mi: | 1.04 |
| Area Water Sq Mi: | 0.01 |
| Population As Of: | 2020 |
| Population Total: | 200 |
| Population Density Km2: | 74.54 |
| Population Density Sq Mi: | 193.05 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 40.3764°N -78.1697°W |
| Elevation Ft: | 837 |
| Postal Code Type: | Zip code |
| Postal Code: | 16657 |
| Area Code: | 814 |
| Blank Name: | FIPS code |
| Blank Info: | 42-47544 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1215272 |
| Footnotes: | Local phone exchanges: 658 |
Marklesburg is a borough in Huntingdon County, Pennsylvania, United States. The population was 204 at the 2010 census.
The Marklesburg Historic District was listed on the National Register of Historic Places in 1996.
Marklesburg is located near the western shore of Raystown Lake, just uphill from the flooded village of Aitch.
According to the United States Census Bureau, the borough has a total area of 0.9sqmi, all land.
All municipalities listed are in Huntingdon County unless otherwise noted.
At the 2000 census there were 216 people, 89 households, and 63 families residing in the borough. The population density was 243.5sp=usNaNsp=us. There were 138 housing units at an average density of 155.6sp=usNaNsp=us. The racial makeup of the borough was 99.07% White, and 0.93% from two or more races.There were 89 households, 22.5% had children under the age of 18 living with them, 61.8% were married couples living together, 7.9% had a female householder with no husband present, and 28.1% were non-families. 25.8% of households were made up of individuals, and 13.5% were one person aged 65 or older. The average household size was 2.43 and the average family size was 2.92.
In the borough the population was spread out, with 18.5% under the age of 18, 10.2% from 18 to 24, 21.8% from 25 to 44, 28.7% from 45 to 64, and 20.8% 65 or older. The median age was 43 years. For every 100 females there were 89.5 males. For every 100 females age 18 and over, there were 89.2 males.
The median household income was $43,333 and the median family income was $46,500. Males had a median income of $38,333 versus $20,000 for females. The per capita income for the borough was $22,329. About 3.0% of families and 6.0% of the population were below the poverty line, including none of those under the age of eighteen or sixty five or over.