Search Polk County Assessor's Office tax maps by township, location and date.
View Polk County precinct maps, including countywide precinct map and Dallas precinct map.
Search Polk County GIS maps by map number, DLC, survey and agent.
Search Polk County Government GIS maps database by map number, DLC, survey, agent, owner, address, account and tax lot.
View Polk County public works search tools and applications link to benchmarks, ordinance code, road maps, survey and plats.
The National Spatial Data Infrastructure (NSDI) is a national repository and data portal for spatial data and mapping information. The Oregon GIS Maps Database includes a variety of mapping data sets, including GIS mapping data. The NSDI includes more than 4 million maps covering the entire United States.
The NSDI provides access to GIS mapping data for the general public, Federal, State, and local government entities, researchers, and developers. Oregon GIS Maps Database includes mapping data from Federal agencies such as the USGS, the Census Bureau, the Environmental Protection Agency, and the Bureau of Land Management; State mapping agencies, such as the Michigan Department of Transportation; and local governments, such as the cities of Detroit and Chicago.
Oregon GIS Maps Database also includes data sets from private companies and nonprofit organizations. These data sets include mapping data for businesses and industries, transportation networks, land use, and water resources.