| Official Name: | Ruby, New York |
| Settlement Type: | Hamlet and CDP |
| Pushpin Map: | New York#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Ulster |
| Subdivision Type3: | Town |
| Subdivision Name3: | Ulster |
| Area Total Km2: | 1.82 |
| Area Land Km2: | 1.81 |
| Area Water Km2: | 0.003 |
| Area Total Sq Mi: | 0.701 |
| Area Land Sq Mi: | 0.700 |
| Area Water Sq Mi: | 0.001 |
| Population As Of: | 2020 |
| Population Total: | 918 |
| Population Density Km2: | 507.18 |
| Population Density Sq Mi: | 1311.43 |
| Timezone: | EST |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 312 |
| Coordinates: | 42.0181°N -74.0147°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 12475 |
| Area Code: | 845 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 963066 |
Ruby is a hamlet (and census-designated place)[1] in Ulster County, New York, United States. The community is north of Kingston in the town of Ulster. Ruby has a post office with ZIP code 12475, which opened on June 2, 1896.[2] [3] The population was 918 at the 2020 census.[4]
One-time major league baseball player Dutch Schirick was born in Ruby on June 15, 1890. In 1921, he organized the semi-professional Kingston Colonels team. Schirick went on to become a Supreme Court judge in Kingston.[5]
The Roman Catholic Church of St. Wendelinus was founded as a mission station of St. Peter's in Rondoubt. By 1914, it had become a mission of St. Ann's in Sawkill. At that time, the congregation, of English and German descent, numbered approximately 60.[6]
According to the United States Census Bureau, the CDP has a total area of 0.701 square miles (3.1 km2), of which 0.7 square miles (2.5 km2) is land and 0.001 square mile (0.6 km2) (0.14%) is water.[7]
As of the 2020 census, the population was 918. The racial makeup of the town was 87.69% White, 2.07% Black or African American, 0.00% Native American, 1.42% Asian, 0.00% Pacific Islander, 2.40% from other races, and 6.43% from two or more races. Hispanic or Latino of any race were 6.43% of the population.