How much 1964 half dollar worth?

The value of a 1964 half dollar, specifically the Kennedy half dollar, typically ranges from $10 to $20 based on its condition and market demand. If it is in uncirculated or proof condition, it can be worth significantly more, possibly up to several hundred dollars. The coin contains 90% silver, which also contributes to its intrinsic value, especially when silver prices are high. To get an accurate valuation, consider checking recent sales or consulting a coin dealer.