| Official Name: | Martinsburg, Pennsylvania |
| Settlement Type: | Borough |
| Motto: | "Crossroads to the Cove!" |
| Pushpin Map: | Pennsylvania |
| Pushpin Label: | Martinsburg |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Blair |
| Government Type: | Borough Council |
| Established Title: | Settled |
| Established Date: | 1815 |
| Established Title1: | Incorporated |
| Established Date1: | 1832 |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.67 |
| Area Land Km2: | 1.67 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.65 |
| Area Land Sq Mi: | 0.65 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 1876 |
| Population Density Km2: | 1121.68 |
| Population Density Sq Mi: | 2904.02 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 40.3106°N -78.3256°W |
| Elevation Ft: | 1404 |
| Postal Code Type: | Zip code |
| Postal Code: | 16662 |
| Area Code: | 814 |
| Blank Name: | FIPS code |
| Blank Info: | 42-47872 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1180504 |
Martinsburg is a borough in the Morrisons Cove section of Blair County, Pennsylvania, United States. The population was 1,874 at the 2020 census.[2] It is part of the Altoona, PA Metropolitan Statistical Area.
The community was named after John Martin, a pioneer citizen.[3]
According to the United States Census Bureau, the borough has a total area of 0.6sqmi, all land.
As of the census of 2000, there were 2,236 people, 892 households, and 544 families residing in the borough. The population density was 3544.3sp=usNaNsp=us. There were 924 housing units at an average density of 1464.6sp=usNaNsp=us. The racial makeup of the borough was 99.46% White, 0.09% Native American, 0.04% Asian, 0.04% from other races, and 0.36% from two or more races. Hispanic or Latino of any race were 0.36% of the population.
There were 892 households, out of which 26.3% had children under the age of 18 living with them, 49.0% were married couples living together, 9.3% had a female householder with no husband present, and 39.0% were non-families. 35.9% of all households were made up of individuals, and 20.2% had someone living alone who was 65 years of age or older. The average household size was 2.19 and the average family size was 2.85.
In the borough the population was spread out, with 18.8% under the age of 18, 5.5% from 18 to 24, 24.2% from 25 to 44, 19.2% from 45 to 64, and 32.2% who were 65 years of age or older. The median age was 46 years. For every 100 females there were 77.9 males. For every 100 females age 18 and over, there were 69.7 males.
The median income for a household in the borough was $27,125, and the median income for a family was $36,797. Males had a median income of $25,096 versus $19,226 for females. The per capita income for the borough was $14,678. About 10.6% of families and 13.2% of the population were below the poverty line, including 20.7% of those under age 18 and 7.9% of those age 65 or over.