Jerusalem was never experienced in quite the same way during a major pilgrimage festival as during an ordinary week. Visitors arrived from Judea, Galilee, and Jewish communities farther away.
The influx increased demand for food, water, animals, lodging, ritual facilities, and space around the Temple.
The concentration of worship at the Jerusalem Temple made the city the center of Jewish pilgrimage. Ancient writers emphasize the large gatherings associated especially with Passover.
Residents encountered crowded streets and increased commercial activity. Visitors needed places to sleep and eat. Priests and Temple personnel faced greatly increased demands, while merchants and suppliers served the temporary population.
Jerusalem's roads, gates, water systems, ritual baths, monumental stairways, markets, residential areas, and enormous Temple platform demonstrate the infrastructure of a pilgrimage city. Animal remains also illuminate the festival economy associated with sacrifice.
Josephus provides important descriptions of festival crowds, although his very large numerical estimates should not automatically be treated as precise population counts. The Gospels likewise depict a crowded and politically sensitive Jerusalem during Passover.
The pilgrimage commands explain why Jerusalem became the gathering place for worshipers during the great festivals.
The final week of Jesus' ministry unfolded in a Jerusalem filled with Passover visitors. The crowds, Temple activity, and concern of the authorities belong to this festival environment.
Jerusalem's population increased substantially during pilgrimage festivals, creating unusual demands upon the city and Temple.
Exact crowd sizes cannot be established with confidence, and ancient numerical claims may contain exaggeration.
The festival crowd helps explain the atmosphere of the Gospel passion narratives and the extraordinary intensity of Jerusalem during Passover.