2 Kings 3:6
"And king Jehoram went out of Samaria the same time, and numbered all Israel."
Cross References (ranked by relevance)
1 Samuel 11:8
And when he numbered them in Bezek, the children of Israel were three hundred thousand, and the men of Judah thirty thousand.
1 Samuel 15:4
And Saul gathered the people together, and numbered them in Telaim, two hundred thousand footmen, and ten thousand men of Judah.
1 Kings 20:27
And the children of Israel were numbered, and were all present, and went against them: and the children of Israel pitched before them like two little flocks of kids; but the Syrians filled the country.