randymajors.com County Lines on Google Maps tool, v 3.7 ©2019 Randy Majors
This free tool shows county lines on Google Maps. Answers "what county am I in?", "find county", "what county is this address in?" Popular uses include real estate, sales, business planning, field research, sales tax determination, education, routing, travel, entertainment, permitting, grassroots efforts and determining county jurisdiction. This tool incorporates a Google Maps county lines overlay so you can see a map with county boundaries anywhere in the U.S., U.K., Ireland, Australia, New Zealand, Canada, Mexico and Switzerland.

QUICK TIPS FOR USING THIS TOOL: Find county. What county am I in? Find county for address. Find county for an address
  1. Type any place or address in the "Search places" box above the map*
    OR: Zoom into your place of interest on the map
    County lines will draw on the map, and the county name, state name**, country name and latitude/longitude for your chosen location will appear at the bottom of the map***
  2. NEW! Check the "Show labels..." checkbox in the lower left corner of the map to see the names of the counties on the map
  3. Optionally, check the "Also show US city limits" checkbox in the lower left corner of the map to see City Limits overlaid on the map (available in the U.S. only). If city limits don't appear, zoom in further.
  4. Also show US townships by checking the box in the lower left corner of the map
  5. Click the "⊕ Locate" button in the upper right corner of the map to use your current location † and quickly answer "what county am I in?"
  6. Share this tool using the social sharing buttons below. Subscribe to tool updates and tips at right.
* You can also type in GPS coordinates in decimal degrees into the Search places box. For example, type -105.25, 40 for Boulder, Colorado.
** or equivalent province, district, etc.
*** All information is reported based on the location of the red dot on the maps; to move the red dot, click the map
The "Locate" button will be more accurate on smartphones and other devices containing a GPS; desktop browsers typically show an approximate location

How do you see Google Maps with county lines? Just follow the quick steps above and you will see the county boundary lines for U.S., Great Britain, Ireland, Australia, New Zealand, Canada, Mexico and Switzerland displayed on a fully-interactive Google Map. Do things such as:
- Find out what county am I in?
- Find county for an address
- Determine what county a city or township is located in
- Help determine which county or local sales tax may apply for a given location
- Find out what county are these GPS coordinates located in (see * above)?
- plus any of a number of other topics where knowing counties and cities may be important, such as real estate, sales, education, field research and more

NEW! Read about the latest enhancements to this tool here.
Try the new Section Township Range on Google Maps tool here!

Looking for an all-in-one tool to explore multiple boundaries and climate on Google Maps? Here it is: Location Explorer on Google Maps.

- US coverage includes Counties in all 50 states plus Puerto Rico, US Virgin Islands, Guam, Northern Mariana Islands and American Samoa.
   - "Also show US city limits" draws all incorporated cities and towns in the United States and its territories and possessions
   - "Also show US townships" draws all minor civil divisions (MCDs) (these are often townships)
- Within the UK, England displays Counties and Unitary Authorities, Scotland displays Council Areas, Wales displays Principal Areas, and Northern Ireland displays Districts. Described here.
- Australia displays Local Government Areas (LGAs).
- New Zealand displays Territorial Authorities.
- Canada displays Census Divisions, which are Counties in some provinces but may include other geographies shown here.
- Mexico displays Municipalities, which are the next level administrative divisions below State.
- Switzerland displays Districts.

- The Search places box uses a standard Google Maps geocoding engine, therefore you can type street addresses, road names, points of interest, and GPS coordinates (see * above) to see what county that location is part of.
- Many of the map layers from which this information is extracted are very large, so it may take several seconds for all of the map layers to finish drawing
- Because the map layers are large, boundaries will not be shown if you are zoomed out too far
- Avoid using the zoom in/zoom out buttons or panning the map repeatedly, as it will cause the queries to fire repeatedly and may produce erratic results. A better way to go to a new location is to single-click the map at a nearby location, or type a new location at the top of the map. Note that typing an address will zoom in the map very close, whereas typing a city or county by itself will show you a map with a wider view.
- You can expand the map window by clicking the "expand" button in the upper right; once expanded, click "reset" to reset the map window to its original size
- Disclaimer: While the number of decimals in the latitude and longitude displayed for the map marker imply a positional accuracy of within a few feet, note that Google Maps is not inherently that accurate, and therefore this tool should not be used for legal purposes or anything beyond entertainment value.

- US: Census Bureau
- UK: Open Government License - Contains Office of National Statistics data, Ordnance Survey data ©Crown copyright and database right 2017. Open Data Lincese - Ordnance Survey of Northern Ireland.
- Ireland: Open Data and Creative Commons License - Ordnance Survey Ireland
- Australia: Incorporates Administrative Boundaries ©PSMA Australia Limited licensed by the Commonwealth of Australia under Creative Commons Attribution 4.0 International licence
- New Zealand: Creative Commons Attribution 3.0 - Stats NZ
- Canada: Open License - Boundary Files, 2016 Census; Statistics Canada Catalogue no. 92-160-X
- Mexico: Instituto Nacional de Estadística y Geografía (INEGI)
- Switzerland: Swiss Federal Office of Topography

Help improve this tool. Please comment here.

Also, check out the Historical U.S. County Boundary Maps tool on this website to put your search in the correct historical geographic context. It uses Google Maps to display US County Boundaries from ANY HISTORICAL YEAR. You can then click any county on the map to see the specific history of the boundary changes, and type in different years to see the boundary changes over time.

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