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Boulder Hill, Illinois facts for kids

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Boulder Hill
Sign along Illinois Route 25
Sign along Illinois Route 25
Nicknames: 
The Hill, Boulder Hood
Boulder Hill is located in Illinois
Boulder Hill
Boulder Hill
Location in Illinois
Boulder Hill is located in the United States
Boulder Hill
Boulder Hill
Location in the United States
Country United States
State Illinois
County Kendall
Township Oswego
Area
 • Total 1.46 sq mi (3.79 km2)
 • Land 1.46 sq mi (3.78 km2)
 • Water 0.01 sq mi (0.02 km2)
Elevation
663 ft (202 m)
Population
 (2020)
 • Total 8,394
 • Density 5,757.20/sq mi (2,222.47/km2)
Time zone UTC-6 (CST)
 • Summer (DST) UTC-5 (CDT)
ZIP code
60538
Area code(s) 630, 331
FIPS code 17-07419
GNIS feature ID 2393344

Boulder Hill is a community in Illinois, United States. It's located in Kendall County, near the Fox River. In 2020, about 8,394 people lived there. Boulder Hill is part of the larger Chicago metropolitan area. It sits just south of the city of Aurora.

Where is Boulder Hill?

Boulder Hill is located at coordinates 41°42′41″N 88°20′07″W. It covers a total area of about 1.45 square miles. Most of this area is land, with only a tiny part being water.

For many years, Boulder Hill had a small central area. People living here feel a strong sense of community. They often say they are from Boulder Hill, not from nearby towns like Montgomery or Oswego.

Even though Boulder Hill is not an official town, its mail comes through the Montgomery Post Office. This can sometimes cause confusion. Most local services for Boulder Hill come from Kendall County or Oswego Township.

What's in Boulder Hill?

The community has four churches and a grocery store. There is also a small shopping area and a gas station. Boulder Hill has three schools: two elementary schools and one middle school. There is also a place for retired people to live.

Most of the land in Boulder Hill is already built on. There isn't much empty land left for new buildings. The towns of Oswego and Montgomery have grown right up to Boulder Hill's edges. This means there isn't much space for new businesses to open. Most businesses in Boulder Hill are actually part of the village of Oswego.

Because Boulder Hill is not an official town, it doesn't have its own local government. In the past, this meant property taxes were lower. However, taxes have gone up recently. This is because local groups like the Oswegoland Park District and the Oswego School District have grown. They need more money to serve the growing communities around Boulder Hill.

Who Lives in Boulder Hill?

The population of Boulder Hill has changed over the years.

Historical population
Census Pop.
2000 8,169
2010 8,108 −0.7%
2020 8,394 3.5%
U.S. Decennial Census
2010 2020

Population Changes in 2020

The table below shows the different groups of people living in Boulder Hill. This information comes from the 2020 census.

Boulder Hill CDP, Illinois – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Race / Ethnicity (NH = Non-Hispanic) Pop 2000 Pop 2010 Pop 2020 % 2000 % 2010 % 2020
White alone (NH) 7,048 5,755 4,393 86.28% 70.98% 52.34%
Black or African American alone (NH) 149 351 338 1.82% 4.33% 4.03%
Native American or Alaska Native alone (NH) 20 10 5 0.24% 0.12% 0.06%
Asian alone (NH) 54 52 78 0.66% 0.64% 0.93%
Pacific Islander alone (NH) 1 2 0 0.01% 0.02% 0.00%
Some Other Race alone (NH) 1 3 23 0.01% 0.04% 0.27%
Mixed Race or Multi-Racial (NH) 94 130 306 1.15% 1.60% 3.65%
Hispanic or Latino (any race) 802 1,805 3,251 9.82% 22.26% 38.73%
Total 8,169 8,108 8,394 100.00% 100.00% 100.00%

See also

Kids robot.svg In Spanish: Boulder Hill para niños

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