Williamstown is a very small city located in the state of Kentucky. With a population of 3,971 people and two associated neighborhoods, Williamstown is the 108th largest community in Kentucky.

Telecommuters are a relatively large percentage of the workforce: 10.19% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

Being a small city, Williamstown does not have a public transit system used by locals to get to and from work.

The citizens of Williamstown are slightly better educated than the national average of 21.84% for all cities and towns, with 21.45% of adults in Williamstown having a bachelor's degree or advanced degree.

The per capita income in Williamstown in 2022 was $28,383, which is middle income relative to Kentucky, and lower middle income relative to the rest of the US. This equates to an annual income of $113,532 for a family of four. However, Williamstown contains both very wealthy and poor people as well.

The people who call Williamstown home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Williamstown residents report their race to be White, followed by Black or African-American. Important ancestries of people in Williamstown include German, Irish, English, Polish, and French.

The most common language spoken in Williamstown is English. Other important languages spoken here include Spanish and Greek.