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Targeted Facebook ads: reach the right audience

Postly team · October 20266 min read

You used to be able to target an ad to "women aged 32-38 interested in yoga and living within 5 kilometers". That data is no longer available at the same level. What’s left of Facebook’s famous targeting, what replaces it, and where you can still find a truly focused audience today.

What changed in the privacy era

Since Apple and Google privacy updates and new tracking regulations, Facebook sees much less of what happens outside its own platform. The practical impact on targeting:

  • Interests have become blurred. Much of the data behind them has dried up, and some categories were removed by Facebook itself.
  • Conversion tracking is partial. The system now guesses what it used to know, so it needs more conversions to learn.
  • The system uses AI to compensate. Instead of you choosing the audience, it learns from ad responses who is engaging and looks for more like them.

Broad audiences: why Facebook pushes for them

Meta’s official advice now is broad audiences: age, location, language, that’s it. The idea is the system needs room to learn. A narrow audience is exhausted in days, costs more per view, and learning stops; a broad audience gives enough people for the system to figure out who responds. Real targeting has moved from audience settings into the creative itself:

The principle: The ad itself is the filter. An opening like "For restaurant owners in Columbus" gets the right clicks even from a million people, and the algorithm quickly learns who to show it to. Focused writing is a skill, and our writing guide applies here too.

Custom and lookalike audiences

Two tools still work well after the privacy changes, because they use your own data, not tracking:

Audience typeHow it’s builtWhen it works
CustomCustomer list, website visitors, video viewers, page engagementRemarketing: the warmest and cheapest audience to convert
LookalikeFacebook finds people similar to your custom audienceWhen the source list is high quality and has a few hundred people or more

The quality of your source list matters more than its size: two hundred paying customers make a better lookalike audience than thousands of random site visitors, because they share something relevant. The problem for a small business is it doesn’t have either list yet. It’s a cycle: to build a custom audience you need traffic, and to buy focused traffic a custom audience helps. You break it on the organic side, where the first list is built without paying for the traffic that creates it.

Geotargeting for local businesses

Geographic targeting is still precise, and it’s the most important for local businesses:

  1. Radius around your business, not a whole city. A salon in East Austin doesn’t need to pay for views in Round Rock.
  2. Check the difference between "live in" and "located in". For a business serving residents, choose "live in"; for one serving passersby, "located in".
  3. Overlapping areas for different ads. If you have two branches, use two sets with separate radii and a local message for each.

The audience already targeted for you: groups

A good Facebook group is perfect targeting someone else already did: people have filtered themselves by place, interest, or life stage, voluntarily and for free.

A group like "Residents of Naperville" or "Parents of preschoolers in Plano" is a geographically and demographically defined audience you would pay for in Ads Manager, but here there’s no algorithm or guessing. Anyone who joined stated where they live and their stage, and this doesn’t expire when someone updates their privacy policy.

Ad targetingRelevant group
AccuracyStatistical guesswork, less precise since privacy changesPeople defined themselves
Reach costBy auction, goes up every yearZero, just your time
ContextAd in the feedContent inside a community, with trust
ScaleAlmost unlimited, if you payLimited to the number of relevant groups

The point isn’t to pick a side, but to go step by step: first use relevant groups, where targeting is free - find them automatically with the Group Finder, and post regularly with Postly. Paid ads come in when you want scale beyond what groups provide, as explained in the Sponsored Ads Guide.

This audience is chosen once and stays

Unlike ad manager audiences, which you rebuild for each campaign, your group list is set up once and every new post goes to it. Tell us where you’re from and what you do, and we’ll show you how your list would look.

For a free demo

FAQ

Does interest-based targeting still work on Facebook?
Much less than before. Privacy limits have reduced the data, and Facebook itself pushes for broad audiences and lets the algorithm find people based on ad response. The logic now is the opposite of before: a broad audience gives the algorithm room to learn, and targeting is done in the ad copy, not by stacking interests.
What are custom and lookalike audiences?
A custom audience is people who already interacted with your business: customer list, website visitors, video viewers. A lookalike is people Facebook identifies as similar to your custom audience. Custom is warm and cheap to convert but small; lookalike expands it, if your source list is high quality and has at least a few hundred people.
How do you target ads to a specific city or neighborhood?
In Ads Manager, set a location with a radius around an address, or pick specific cities. For a local business, this is the most important targeting. The free way: post in local resident and recommendation groups for that area, where the geographic filtering already happened.
What’s the most accurate way to reach a niche audience with no budget?
Facebook groups in your niche. A brokers' group, a parents' group in a certain city, or a hobby group is an audience that’s filtered itself better than any algorithm, and posting there is free. A tool like Postly lets you post to dozens of such groups in one go.

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