Population: Wikipedia (List of United States cities by population); median home price: Redfin/Zillow market data; state income tax: Tax Foundation, 2026.
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315,586 people call Santa Ana home. That scale — a smaller, close-knit population base — is the starting point for most of the financial decisions covered below, from which banks compete locally to how tight the housing market runs. At 13.3% for top brackets, California's income tax is among the highest nationally — a real factor Santa Ana residents should weigh when deciding between a Roth and traditional 401(k).
Santa Ana's median home price of $879,000 runs well above the national figure, which is why local down-payment assistance programs and first-time buyer guides get disproportionate use here. The guides linked below turn all of this into specifics — real banks, real rates, real local rules — instead of national averages that don't apply to Santa Ana.