the Hudson River valley. A portion of these farmlands are also within the Washington County Grasslands, an approximately 13,000 acre area which is a winter roosting site for state endangered short-eared owls; winter and breeding ground for other threatened and declining grassland birds, including Northern Harrier, Horned Lark, Upland Sandpiper, Eastern Bluebirds and Bobolinks. Snowy Owls are also regular visitors. In the eastern part of the town, elevations increase, with several mountains reaching over 1,000 feet in height; with the highest being a few feet over 1,120 feet in height north of the hamlet of Goose Island. Two lakes, which both have extensive seasonal camps and year-round homes, are in this portion of the town; the spring-fed Summit Lake and further to the east, the larger Cossayuna Lake. From many locations in Argyle, the Adirondack Mountains can be viewed to the north and west and the Green Mountains of Vermont can be viewed to the east. NY Route 40 is a north–south highway in the town and NY Route 197 is an east–west highway leading to/from nearby Fort Edward. Demographics As of the census of 2000, there were 3,688 people, 1,313 households, and 1,000 families residing in the town. The population density was 65.1 people per square mile (25.1/km2). There were 1,798 housing units at an average density of 31.7 per square mile (12.2/km2). The racial makeup of the town was 98.94% White, 0.22% Black or African American, 0.03% Native American, 0.03% Asian, 0.27% from other races, and 0.52% from two or more races. Hispanic or Latino of any race were 1.03% of the population. There were 1,313 households, out of which 37.2% had children under the age of 18 living with them, 63.4% were married couples living together, 8.4% had a female householder with no husband present, and 23.8% were non-families. 17.6% of all households were made up of individuals, and 6.9% had someone living alone who was 65 years of age or older. The average household size was 2.71 and the average family size was 3.07. In the town, the population was spread out, with 26.5% under the age of 18, 6.3% from 18 to 24, 29.0% from 25 to 44, 24.9% from 45 to 64, and 13.3% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 94.8 males. For every 100 females age 18 and over,