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Delta Junction, Alaska

 According to 2005 Census Bureau estimates, the population of the city is 897. The city is located a short distance south of the confluence of the Delta River with the Tanana River, which is at Big Delta. It is about 99 miles south of Fairbanks.

Signpost at Delta Junction, Alaska marks the end of the ALCAN Highway (September 2004). 

Signpost at Delta Junction, Alaska marks the end of the ALCAN Highway.


"Big Delta" lies at the intersection of the Delta River and the Tanana River. The City of Delta Junction sits on the Delta River at the intersection of the Richardson Highway and the famed Alaska Highway. The city and Delta community lie within the fertile Tanana River valley. Three mountain ranges -- the White Mountains to the north, the Granite Mountains to the southeast, and the Alaska Range to the southwest -- and the Delta River to the west surround the town.

Once overlain by glaciers, the geology is marked by glacial moraines as well as alluvial deposits from the Delta and Tanana Rivers. Numerous mineral deposits are found in the vicinity of Delta Junction ranging from gold to molybdenum to coal. A prominent natural feature on the landscape is Donnelly Dome, located within the Donnelly Training Area of Fort Wainwright (formerly a part of nearby Fort Greely until 2001), to the south of Delta Junction. This dome was formed as a glacier coming from the Alaska Range split in two, carving away sides of a former mountain.


 The racial makeup of the city was 91.43% White, 1.07% Black or African American, 4.05% Native American, 0.95% Asian, 0.12% from other races, and 2.38% from two or more races. 0.83% of the population were Hispanic or Latino of any race.

The median income for a household in the city was $43,500, and the median income for a family was $58,250. The per capita income for the city was $19,171. About 12.3% of families and 19.4% of the population were below the poverty line, including 28.8% of those under age 18 and 13.2% of those age 65 or over.


From at least 10,000 years ago to the present, Athabascan Indians have inhabited portions of the interior of Alaska. They survived by hunting the abundant game and fishing in the rivers of the interior of Alaska.

During World War II, the United States aided Russia against Germany and Japan by sending airplanes and supplies authorized by the Lend-lease act to Russia through Alaska into the Russian Far East. A highway, the Alaska Highway, was built to connect an existing road in Dawson Creek, British Columbia, Canada with the Richardson Highway in Alaska, a distance of 2290 km (1423 miles).

The Alaska Highway met the Richardson Highway at a point 12 km (8 miles) south along the Delta River from Big Delta. The place where the highways met became known as Delta Junction. An air field, Allen Army Airfield, was also constructed 5 miles south of Delta Junction for use in sending supplies to Russia. Another highway, the Glenn Highway, was built from Anchorage, the largest city in Alaska, to what is now Glennallen, where it met the Richardson Highway. This established a motor route between Anchorage and Fairbanks, Alaska's second largest city.

After World War II, a U.S. army base, Fort Greely, was built next to the air field. The base and a huge tract of land around it was used for training soldiers for cold weather combat during the Cold War with the former Soviet Union.

In 1957, the Richardson Highway was paved. At about this time, portions of the Alaska Highway were also paved. The army base and tourism brought on the highways caused a boom in the area's economy and the commercial center of the area moved from Big Delta to Delta Junction. After World War II, some people also began farming and raising livestock in the Delta Junction area. This required new techniques to accommodate the short growing season and the cold and dark winters of interior Alaska. Delta Junction was incorporated as a municipality in 1960.

Oil was discovered in the North Slope of Alaska in 1968. Construction began on the pipeline to transport the oil from the North Slope to Valdez in 1974. The pipeline construction also aided the economy of the area. Delta Junction experienced a temporary boom similar to the gold rush that resulted in a wave of new residents and businesses in the community. Cost of living during this period was well above the national average due to transportation costs as well as gouging. Prostitution and bars flourished -- as did churches and religious communes.

In the 1980s, the pipeline construction ended. The Cold War also ended with the collapse of the Soviet Union. A new highway, the George Parks Highway, was built between Anchorage and Fairbanks. This highway followed the railroad route and was a shorter route for motorists traveling between Anchorage and Fairbanks than the Glenn and Richardson Highway route. Many travelers used the new highway, bypassing Delta Junction. These events caused a decline in the economy of Delta Junction.

During the 1990s and 2000s, immigrants from the former Soviet Union republics came to the area, significantly changing the makeup of the local population.

Fort Greely was included on the Base Realignment and Closure (BRAC) list in 1995. From 1995 to 2002, Fort Greely was gradually re-aligned through a gradual drawdown in both military and civilian personnel. Once BRAC was complete in 2002, Fort Greely remained open but was staffed with less than 100 military and civilian personnel. During this time, the remaining workers were either associated with public works functions or the Cold Regions Test Center, which continued testing on the installation. Headquarters for both the Cold Regions Test Center and the Northern Warfare Training Center moved to Fort Wainwright in 2002. Base housing and numerous surplus buildings remained in a vacant status, though the Army continued heating and maintaining them.

Shortly after BRAC was complete, the United States government announced plans to build a missile defense installation at Ft. Greely. The installation was then divided into two parts operated by two different commands -- US Army Garrison Alaska and Space and Missile Defense Command. The main post retained the name Fort Greely and is operated by the Space and Missile Defense Command. Outlying range, training and impact areas were absorbed by Fort Wainwright and were renamed Donnelly Training Area.

From 2002 to 2005, Delta Junction experienced an economic boom similar to the pipeline days as Fort Greely became fully operational again and the missile test bed was constructed. National firms such as Boeing, Bechtel, and Brown and Root, as well as regional firms including Chugach opened up offices on the installation, under contract to the government. Construction of the Pogo Gold Mine just north of Delta Junction, near the Goodpaster River, also contributed significantly to the economic fortune of the town. Mineral deposits near Tangle Lakes, south of Delta Junction, will likely result in additional development of mining in the area.


Construction and maintenance of the military facilities, mining, agriculture, tourism and their support industries form the backbone of the area economy.

Many people in Delta Junction supplement their food supply by hunting the moose, caribou, Dall sheep and bison in the area, as well as fishing. A few operate small gold mines or hunt or trap fur-bearing animals for extra income.

Due to limited shopping availability, many residents travel to Fairbanks via the Richardson Highway to purchase goods and services. Though Delta has a clinic, primary medical care is also in Fairbanks.


As it is not near the ocean, this area is drier than coastal Alaska and experiences seasonal extremes typical of subarctic areas. The annual precipitation is only 12 inches, including 37 inches of snow. The average low temperature in January is -11°F. The average high during July is +69°F.

Delta Junction is mostly sunny in the summer and split between clear and overcast days in the winter. On clear winter nights, the aurora borealis can often be seen dancing in the sky. Like all subarctic regions, the months from May to July in the summer have no night, only a twilight during the night hours. The months of November to January have 4 to 5 daylight and twilight hours.

Delta Junction was known as the "Windy City" and "Little Chicago" by many soldiers on Fort Greely, a reference to Chicago in the lower 48 United States. In Delta Junction itself, but not in the nearby areas, wind blows many days from the south up the Delta River from the Gulf of Alaska, bringing river silt in the summer and snowdrifts in the winter. There are usually several days in the winter when the temperature is in the range of -40°F) when a wind (known as a Chinook wind) begins to blow. A few minutes later, the temperature climbs to above +32°F. When the wind stops, the temperature returns to its colder value.

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