For local SEO agencies researching keyword demand, Google Keyword Planner is the only tool with volume estimates sourced directly from Google search data. Originally built for Google Ads campaign planning, it provides monthly search volume ranges and CPC data for any keyword, free with a Google Ads account.
What Google Keyword Planner Actually Does Well
Keyword Planner is the only publicly available tool that draws search volume data directly from Google’s ad auction system. While the volumes are presented as ranges rather than precise numbers for accounts without active spend, the relative size of demand across keywords is reliable. Seasonal trend graphs show how volume fluctuates month by month, which is useful for planning local content calendars.
The location filtering in Keyword Planner supports city, region, and ZIP-code level volume estimates. For local keyword research, this lets you see how demand for a term differs between a metropolitan area and a specific city. This granularity is not available in most third-party keyword tools.
The Discover New Keywords feature generates related term suggestions based on a seed keyword or URL. Combined with location filtering, this is a practical starting point for local keyword research before moving to more specialized tools.
Local SEO Use Cases: What Keyword Planner Covers
For local keyword research, Keyword Planner is genuinely useful. You can filter by city or ZIP code to understand local demand for service terms, compare volume across multiple locations, and identify seasonal patterns specific to a local market. This local filtering is a feature that most independent keyword tools approximate rather than source directly.
Keyword Planner does not provide rank tracking, competitor organic data, backlink analysis, or GBP tools. It is a demand estimation tool, not a full SEO platform. For local agencies, it works best as an input to content planning rather than a standalone research solution.
Pricing: Free With a Google Ads Account
Keyword Planner is free to use with any Google Ads account. Active ad spend is not required to access the tool. Accounts without active campaigns see volume data as rounded ranges rather than precise monthly estimates.
Accounts with active Google Ads spend receive more precise volume data. For agencies managing Google Ads for clients, this is a natural addition to the research workflow at no additional cost.
Data Ownership: Where Your Information Lives
Keyword Planner is a Google product. All data is processed on Google’s infrastructure. The keyword ideas and volume estimates are generated from Google’s ad auction data and are subject to Google’s terms of service.
There is no user data stored in Keyword Planner beyond standard Google account activity. Keyword lists and plan data can be downloaded in CSV format. Google may modify or discontinue tool features at any time.
For practical purposes, Keyword Planner is a research interface into Google’s own data, not a platform with persistent user data or subscription terms.
Frequently Asked Questions
How accurate is Google Keyword Planner for local keyword research?
Keyword Planner provides volume ranges based on actual Google search data, filtered by location. The location granularity, down to city and ZIP level, is more precise than most third-party tools. The trade-off is that volumes are ranges rather than exact numbers unless the account has active ad spend.
Is Google Keyword Planner better than Ahrefs for keyword research?
They serve different purposes. Keyword Planner shows demand data sourced directly from Google with precise local filtering. Ahrefs provides keyword difficulty scores, competitor ranking data, click distribution, and SERP analysis. Most agencies use both: Keyword Planner to understand demand and Ahrefs or a similar tool for competitive context.
Is Google Keyword Planner free?
Yes. Keyword Planner is free with any Google Ads account. No active ad spend is required. Accounts with active spend see more precise volume data; accounts without see rounded ranges.
Can Google Keyword Planner filter by city?
Yes. Keyword Planner supports location filtering at the country, region, city, and ZIP-code level. This makes it one of the few keyword tools that can show demand for a specific term within a specific city, using actual Google search data.
What are the main limitations of Google Keyword Planner?
Keyword Planner shows demand but not competition context. It does not show which sites rank for a keyword, what their domain strength is, how difficult a keyword is to rank for, or any backlink or content data. It is a demand estimation tool, not a full SEO research platform.