| Official Name: | Hobart Bay, Alaska |
| Settlement Type: | CDP |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Alaska |
| Subdivision Type2: | Borough |
| Subdivision Name2: | Petersburg |
| Leader Title: | State senator |
| Leader Name: | Bert Stedman (R) |
| Leader Title1: | State rep. |
| Leader Name1: | Rebecca Himschoot (I) |
| Area Footnotes: | [1] |
| Area Total Km2: | 334.10 |
| Area Land Km2: | 309.31 |
| Area Water Km2: | 24.79 |
| Area Total Sq Mi: | 129.00 |
| Area Land Sq Mi: | 119.43 |
| Area Water Sq Mi: | 9.57 |
| Population As Of: | 2020 |
| Population Total: | 1 |
| Population Density Km2: | 0.00 |
| Population Density Sq Mi: | 0.01 |
| Timezone: | Alaska (AKST) |
| Utc Offset: | -9 |
| Timezone Dst: | AKDT |
| Utc Offset Dst: | -8 |
| Elevation M: | 361 |
| Elevation Ft: | 1184 |
| Coordinates: | 57.4531°N -133.3933°W |
| Area Code: | 907 |
| Blank Name: | FIPS code |
| Blank Info: | 02-32550 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1866951 |
| Unit Pref: | Imperial |
Hobart Bay is a census-designated place that was located in Hoonah-Angoon Census Area, Alaska during the 2010 United States Census, but is now part of Petersburg Borough. As of the 2010 Census, the population of the CDP was one, down from three in 2000.
The bay was named in 1889 by Lieutenant Commander Mansfield of the United States Navy. The site was first settled as a logging camp. The population has declined in recent years. Nevertheless, on January 3, 2013, Hobart Bay and a sizable portion of the Hoonah-Angoon Census Area around it were incorporated into the new Petersburg Borough, which has the city of Petersburg as its economic center and is composed primarily of land from the former Petersburg Census Area.[2]
Hobart Bay is located at 57°27'11" North, 133°23'36" West (57.453007, -133.393308).[3]
According to the United States Census Bureau, the CDP has a total area of 129.8sqmi, of which, 117.4sqmi of it is land and 12.4sqmi of it is water. The total area is 9.54% water.
Hobart Bay first appeared on the 1990 U.S. Census as a census-designated place (CDP).
As of the census[4] of 2000, there were three people, two households, and one family residing in the CDP. The population density was 0/km2. There were seventeen housing units at an average density of 0.1sp=usNaNsp=us. The racial makeup of the CDP was two White and one Native American.
There were two households with no children under the age of eighteen living with them; one was a married couple living together, and one was a male individual.
In the CDP the population was spread out, with two from twenty-five to forty-four and one from forty-five to sixty-four. The median age was forty-four years. There was one female and two males.
The median income for a household in the CDP was $68,750, and the median income for a family was $68,750. The per capita income for the CDP was $34,900.