Ezra 2:65

2:65 not counting their male and female servants, who numbered 7,337. They also had 200 male and female singers

Ezra 4:6

Official Complaints Are Lodged Against the Jews

4:6 At the beginning of the reign of Ahasuerus they filed an accusation against the inhabitants of Judah and Jerusalem.

Ezra 10:17

10:17 and on the first day of the first month they finished considering all the men who had married foreign wives.