| Spring Bay | |
| Image Map1: | Illinois in United States (US48).svg |
| Map Caption1: | Location of Illinois in the United States |
| Coordinates: | 40.8242°N -89.5233°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Type3: | Township |
| Established Title: | Founded |
| Leader Title: | Mayor |
| Leader Title1: | Village president |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.35 |
| Area Total Sq Mi: | 0.91 |
| Area Land Km2: | 1.77 |
| Area Land Sq Mi: | 0.68 |
| Area Water Km2: | 0.57 |
| Area Water Sq Mi: | 0.22 |
| Elevation Ft: | 489 |
| Population Total: | 474 |
| Population Density Km2: | 267.44 |
| Population Density Sq Mi: | 692.98 |
| Utc Offset1: | -6 |
| Utc Offset1 Dst: | -5 |
| Postal Code: | 61611 |
| Blank Info: | 17-71604 |
| Blank2 Name Sec2: | Wikimedia Commons |
| Blank2 Info Sec2: | Spring Bay, Illinois |
| Website: | https://www.villageofspringbay.org/ |
Spring Bay is a village in Woodford County, Illinois, United States. As of the 2010 United States census, the village population was 452, up from 436 in 2000. The village is part of the Peoria, Illinois Metropolitan Statistical Area.
Spring Bay is located at 40.8242°N -89.5233°W (40.824261, -89.523330).[2]
According to the 2010 census, Spring Bay has a total area of 1.149sqmi, of which 0.82sqmi (or 71.37%) is land and 0.329sqmi (or 28.63%) is water.[3]
As of the census[4] of 2000, there were 436 people, 173 households, and 125 families residing in the village. The population density was 541sp=usNaNsp=us. There were 187 housing units at an average density of 232/mi2. The racial makeup of the village was 98.85% White, 0.46% African American, 0.23% Native American, and 0.46% from two or more races. Hispanic or Latino of any race were 0.69% of the population.
There were 173 households, out of which 28.3% had children under the age of 18 living with them, 57.8% were married couples living together, 9.2% had a female householder with no husband % of all households were made up of individuals, and 9.2% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 2.95.
In the village, the population was spread out, with 23.9% under the age of 18, 9.4% from 18 to 24, 31.0% from 25 to 44, 24.1% from 45 to 64, and 11.7% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 93.8 males.