Apartments For Rent In Waupaca County . Those searching for waupaca apartments for rent will enjoy living in this city in the country. Retirees are customary, as they make up 19% of the population compared to 14% nationally. N2145 County Highway K, Waupaca, WI 54981 Trulia from www.trulia.com Find your next apartment in waupaca county wi on zillow. Call for rent 1 bed. See photos, current prices, floor plans, and details for 78 apartments in waupaca, wi.