| Official Name: | Rockville, Utah |
| Settlement Type: | Town |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Utah |
| Subdivision Type2: | County |
| Subdivision Name2: | Washington |
| Established Title: | Settled |
| Established Date: | 1860 |
| Established Title1: | Incorporated |
| Established Date1: | June 30, 1987 |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 21.95 |
| Area Land Km2: | 21.95 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 8.47 |
| Area Land Sq Mi: | 8.47 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2010 |
| Population Total: | 245 |
| Population Density Km2: | 12.26 |
| Population Density Sq Mi: | 31.75 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation M: | 1140 |
| Elevation Ft: | 3740 |
| Coordinates: | 37.1614°N -113.0375°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 84763 |
| Area Code: | 435 |
| Blank Name: | FIPS code |
| Blank Info: | 49-64560[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1431946[3] |
| Pop Est As Of: | 2019 |
| Population Est: | 269 |
Rockville is a town in Washington County, Utah, United States. It is located along the Virgin River near the mouth of Zion Canyon. The city lies just outside the park boundary for Zion National Park; the park entrance is located approximately 5 miles (8 km) northeast of the town.
According to the United States Census Bureau, the town has a total area of 8.4 square miles (21.8 km2), all land.
Rockville experiences warm and dry summers, with summer monthly averages around, and average highs around . The town has winter averages around, and average lows around . The town experiences relatively low annual precipitation, with a yearly average of precipitation. According to the Köppen Climate Classification system, Rockville has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.[4]
As of the census of 2010, there were 245 people, 119 households, and 63 families residing in the town. The population density was 29.3 people per square mile (11.3/km2). There were 142 housing units at an average density of 16.9 per square mile (6.5/km2). The racial makeup of the town was 96.76% White, 0.40% Asian, 1.21% from other races, and 1.62% from two or more races. Hispanic or Latino of any race were 6.88% of the population.
There were 119 households, out of which 21.7% had children under the age of 18 living with them, 46.1% were married couples living together, 7.8% had a female householder with no husband present, and 44.3% were non-families. 39.1% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older. The average household size was 2.15 and the average family size was 2.88.
In the town, the population was spread out, with 15.9% under the age of 18, 6.1% from 18 to 24, 24.9% from 25 to 44, 39.6% from 45 to 64, and 19.2% who were 65 years of age or older. The median age was 52 years. For every 100 females, there were 90.0 males. For every 100 females aged 18 and over, there were 91.1 males.
The median income for a household in the town was $37,917, and the median income for a family was $39,375. Males had a median income of $30,417 versus $27,917 for females. The per capita income for the town was $19,396. About 10.1% of families and 10.4% of the population were below the poverty line, including 18.2% of those under the age of eighteen and 7.4% of those 65 or over.