| Official Name: | Elderton, Pennsylvania |
| Settlement Type: | Borough |
| Pushpin Map: | Pennsylvania |
| Pushpin Label: | Elderton |
| Pushpin Label Position: | right |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Armstrong |
| Government Type: | Borough Council |
| Leader Title: | Mayor |
| Established Title: | Settled |
| Established Date: | 1822 |
| Established Title1: | Incorporated |
| Established Date1: | 1859 |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.84 |
| Area Land Km2: | 0.84 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.32 |
| Area Land Sq Mi: | 0.32 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 334 |
| Population Density Km2: | 399.13 |
| Population Density Sq Mi: | 1034.06 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 40.695°N -79.3433°W |
| Elevation Ft: | 1264 |
| Postal Code Type: | Zip code |
| Postal Code: | 15736 |
| Area Code: | 724, 878 |
| Blank Name: | FIPS code |
| Blank Info: | 42-22832 |
Elderton is a borough in Armstrong County, Pennsylvania, United States. The population was 334 at the 2020 census.[2]
Elderton is located at 40.6949°N -79.3433°W[3] in eastern Armstrong County. U.S. Route 422 leads northwest to Kittanning and southeast to the borough of Indiana.
According to the United States Census Bureau, Elderton has a total area of 0.8km2, all land.[4]
As of the 2000 census, there were 358 people, 145 households, and 107 families residing in the borough. The population density was 1293sp=usNaNsp=us. There were 156 housing units at an average density of 563.4sp=usNaNsp=us. The racial makeup of the borough was 99.44% White, 0.28% African American, and 0.28% from two or more races.
There were 145 households, out of which 30.3% had children under the age of 18 living with them, 59.3% were married couples living together, 6.9% had a female householder with no husband present, and 26.2% were non-families. 24.8% of all households were made up of individuals, and 10.3% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 2.82.
The borough median age of 40 years was the same as the county median age. The distribution by age group was 22.3% under the age of 18, 11.2% from 18 to 24, 26.0% from 25 to 44, 19.8% from 45 to 64, and 20.7% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 93.5 males. For every 100 females age 18 and over, there were 86.6 males.
The median income for a household in the borough was $36,000, and the median income for a family was $43,750. Males had a median income of $37,917 versus $23,021 for females. The per capita income for the borough was $18,805. About 3.6% of families and 5.0% of the population were below the poverty line, including 7.0% of those under age 18 and 11.0% of those age 65 or over.