Do you think that doesn’t happen? Police departments absolutely prioritize certain areas over others - Places where crime is unlikely to happen but should be dealt with swiftly, places where crime is very likely to happen and they have resources on-hand. The net losers tend to be “The Average Person”, for whom police response times in event of a burglary or domestic incident is measured in tens and fifteens of minutes rather than fives.

Even “Even spread” would be a serious topic of debate - Even spread over what? Geographic area? Residency? Where people are likely to be at a given time? Those are three radically different answers in any commuter city.