How Long Should a Sermon Be?

The honest answer to how long a sermon should be is the one nobody wants: as long as it needs to be, and not one minute longer.

That sounds like a dodge. It is not. Length is the wrong question. A boring twenty-minute sermon feels like an hour. A gripping forty-minute sermon feels like fifteen. The clock is not what people remember. Whether you held them is. Still, you want a real number, so here is the honest range and how to think about it.

The typical ranges, by tradition

You do not have to guess at this. The Pew Research Center analyzed 49,719 sermons shared by 6,431 churches and measured how long they actually ran.

The headline number: "The median sermon scraped from congregational websites is 37 minutes long."

The spread by tradition is the part that matters to you:

• Catholic homilies: a median of 14 minutes. Pew calls these "the shortest."
• Mainline Protestant: 25 minutes.
• Evangelical Protestant: 39 minutes.
• Historically black Protestant: 54 minutes — which Pew notes is "more than triple the length of the median Catholic homily."

Source: Pew Research Center, The Digital Pulpit: A Nationwide Analysis of Online Sermons, December 2019.

Sit with that spread for a second. Fourteen minutes to fifty-four. The same act, the same book, a nearly four-fold difference depending only on which building you are standing in.

So the first move is not to pick a number in the abstract. It is to know your congregation and your service. A thirty-five-minute sermon that fits one church will wreck the schedule of another. Preach 25 minutes in an evangelical congregation and you are well under what your people are used to. Preach that same 25 minutes as a Catholic homily and you have gone nearly double the median.

Length follows the text, not the clock

Once you know your setting, stop watching the clock and watch the content. A sermon should run as long as it takes to make one main idea land, and no longer. Most sermons that run long are not deep. They are padded. Three points that each make the same point. A second illustration the first one already covered. A conclusion that ends four separate times.

The discipline is not "preach shorter." It is "cut everything that does not serve the one thing you are trying to say." Do that, and the right length tends to find itself.

How to tell if yours is too long

You usually already know. But a few honest signals:

• People check the time, not once, but in a wave.
• There is more than one spot where you could have stopped and the sermon would have been complete.
• You cannot say your main idea in a single sentence. If you cannot, the sermon is not too long, it is unfocused, and the length is just the symptom.
• Your last ten minutes carry less energy than your first ten. That usually means you ran out of material but kept talking.

Shorter and sharper beats longer and softer

If you are unsure, err toward tighter. A congregation will forgive you for leaving them wanting a little more. They will not forgive being held past the point where you had clearly finished. Ending strong while attention is still high is a gift, not a shortfall.

Preach the text until it is clear and applied, then land the plane. Length is a byproduct of focus. Get the focus right and the minutes take care of themselves.

If you want help getting a sermon focused before you ever worry about its length, SermonPrep is built to help you find the one main idea and build everything around it. Start a sermon here.