A specialist in punching data cards for early computer processing, you converted printed and handwritten source documents into machine-readable form — keying source data into 80-column IBM cards on a desk-mounted keypunch machine.
You spent most of your shift at the keypunch station, working through batches of source documents — handwritten worksheets, printed forms, coded data — and converting them into punched cards. The work ran at production speed, with verification cycles built into the workflow through duplicate-punch checking. Card output and verification pass-through anchored the operating measures.
What complicated the work was the source-document variability — handwritten data carried interpretation challenges; forms had varying levels of completeness; coded data required keying conventions that operators learned and applied. Setting variance shaped the role: bank and insurance keypunch operations ran on tight deadlines; government data centers ran across many program areas; service bureaus served diverse client industries.
The role tended to suit people comfortable with repetitive production work and patient with batch-by-batch rhythms. On-the-job training and supervisor mentorship shaped the work; many keypunchers transitioned into computer operations or data control. The trade-off was the eventual technology shift that absorbed the work — terminal-based and PC-based data entry displaced card production through the 1980s, retiring most keypunch positions by the early 1990s.
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View all Admin & Office roles →A specialist in punching data cards for early computer processing, you converted printed and handwritten source documents into machine-readable form — keying source data into 80-column IBM cards on a desk-mounted keypunch machine.
Median pay for a Keypuncher is about $40K nationally, with the field ranging roughly from $30K to $57K depending on experience, employer, and metro (BLS).
Core skills for this role include Reading Comprehension, Active Listening, Monitoring, Writing, and Time Management.
Most people in this role hold a high school diploma.
Employment in this field is projected to decline about 25.9% through 2034, with roughly 135,280 people working in it today (BLS).
Closely related roles include Data Collector, Senior Data Collector, and Data Transcriber.
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