Brooks was born in Topeka, Kansas, but her family moved to Chicago when she was young. Her father was a janitor who had hoped to become a doctor; her mother was a schoolteacher and classically trained pianist. They were supportive of their daughter's passion for reading and writing. Brooks was thirteen when her first published poem, "Eventide," appeared in American Childhood; by the time she was seventeen she was publishing poems frequently in the Chicago Defender, a newspaper serving Chicago's black population. After such formative experiences as attending junior college and working for the National Association for the Advancement of Colored People, she developed her craft in poetry workshops and began writing the poems, focusing on urban blacks, that would be published in her first collection, A Street in Bronzeville.
Her poems in A Street in Bronzeville and the Pulitzer Prize-winning Annie Allen were "devoted to small, carefully cerebrated, terse portraits of the Black urban poor," commented Richard K. Barksdale in Modern Black Poets: A Collection of Critical Essays. Brooks once described her