State, County and Local Data Sources
November 14, 2025 Issue # 36
Many of us are familiar with federal sources of data, but states have detailed data sources at the state, regional, county and local levels. Data topics include population, demographics, housing, health, business and employment.
We are writing about the Colorado State Demography Office, Division of Local Affairs (DOLA). The link is https://demography.dola.colorado.gov/ . Your state might have a similar office.
The above link will take you to a page which will show items including:
Language Spoken at Home in the American Community Survey 8/2025
A dashboard where you can easily select the state or a county and view data about
Population Estimates by Age
Births, Deaths, and Net Migration
Housing Tenure (Owner-Occupied vs Rental)