| County : | Green Lake County |
| State : | Wisconsin (WI) |
| Land Area : | 349.43 sq mi |
| Water Area : | 30.86 sq mi |
| Latitude : | 43.7614097 |
| Longitude : | -88.9872277 |
| Population (2010): | 19,051 |
| Population Estimate (2012) : | 19,064 |
| Population Density : | 54.52/sq mi |
| Housing Units (2012) : | 10,616 |
| Median Household Income (2012) : | $48,772 (Wisconsin : $52,627, USA : $53,046) |
| Median Family Income (2012) : | $61,284 (Wisconsin : $66,415, USA : $64,585) |
| Median House Price (2012) : | $138,500 (Wisconsin : $169,000, USA : $181,400) |
Green Lake County Cities / Towns
| Berlin City (5,524) | Dalton (206) | Green Lake City (960) |
| Kingston Village (326) | Markesan City (1,476) | Marquette Village (150) |
| Princeton City (1,214) |
Green Lake County Zip Codes
| 53923 (2,098) | 53926 (1,628) | 53939 (244) |
| 53946 (4,386) | 53947 (137) | 53949 (6,011) |
| 53956 (3,397) | 54923 (8,733) | 54941 (2,613) |
| 54960 (2,800) | 54968 (2,779) | 54971 (10,827) |