Best SEO and internet marketing services in Onondaga County NY. Onondaga County zip codes - 13020, 13029, 13031, 13039, 13041, 13051, 13057, 13063, 13066, 13078, 13084, 13088, 13089, 13090, 13108, 13110, 13112, 13116, 13119, 13120, 13137, 13138, 13153, 13164, 13201, 13202, 13203, 13204, 13205, 13206, 13207, 13208, 13209, 13210, 13211, 13212, 13214, 13215, 13217, 13218, 13219, 13220, 13221, 13224, 13225, 13235, 13244, 13250, 13251, 13252, 13261, 13290 Onondaga County is a county in the U.S. state of New York. More than 465,000 people live there, that is information according to the census in 2010. Syracuse is the county’s seat. The Onondaga name goes from the Native American tribe, who lived there long ago. The word means ‘People of the Hill”. The county comprises 806 square miles (2,090 km2), of which water takes 27 square miles (70 km2) and that’s 3,4% of the whole territory. Onondaga Lake is very popular for tourists and it is situated in Onondaga Lake Park that attracts lots of visitors. The County has lots of other beautiful lakes all over the county. One more picturesque lake is Skaneateles Lake, where people arrive to have a rest. Syracuse is the only city in the county. There are many towns, villages and hamlets. White and Black Afro Americans, Native Americans, Poles, Englishmen, Germans, Italians and others live in the county. Most of them speak English (91%), some speak Spanish (2,5%) and some Italian (1,1%) as their native language. Onondaga reservation is an Indian reservation in the county. There are several ski slopes in the Appalachian hills. Several waterfalls and historic villages, parks and forest preservers are located in Onondaga County.