In Portrait of Alexander Townsend, the viewer sees a seated man dressed in formal attire. The colors are rich, with deep blues and warm browns dominating the palette. Townsend's expression is serious, reflecting the dignity of his status.

The background is a soft, muted tone that allows the figure to stand out prominently. This painting is an oil on canvas, a common medium for portraits during the Colonial American period. The dimensions are approximately 76 x 63 cm, making it a sizable work that draws attention. The brushwork is detailed, especially in the rendering of Townsend's clothing and facial features.

The use of light and shadow enhances the three-dimensionality of the figure. Gilbert Stuart, the artist, was a prominent portrait painter known for his ability to capture the likeness and personality of his subjects. This work, painted in the 1790s, is one of several portraits he created of notable figures of the time. An interesting fact about this painting is that it exemplifies Stuart's style of blending realism with a touch of idealization, making his subjects appear both lifelike and dignified.