Boulder Hill vs Plattville

A side-by-side comparison of Boulder Hill and Plattville: population, income, housing, and more.

Boulder Hill and Plattville are places in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Boulder Hill has the higher population (9,127 vs 200 in Plattville). Plattville has the higher median household income ($140,313 vs $76,935 in Boulder Hill). Plattville has the higher median home value ($285,400 vs $233,100 in Boulder Hill).

Population, income & housing

	Boulder Hill	Plattville
Population	9,127	200
Median age	36.8 yrs	34.0 yrs
Median household income	$76,935	$140,313
Median home value	$233,100	$285,400
Median gross rent	$1,759	—
Housing units	3,171	64
Homeownership rate	83.0%	94.8%
Bachelor's degree or higher	17.6%	27.8%
Unemployment rate	5.2%	8.4%

Trends (ACS 5-year, 2019–2023)

	Boulder Hill	Plattville
Population	10,262 → 9,127 (-11.1%)	237 → 200 (-15.6%)
Median household income	$67,124 → $76,935 (+14.6%)	$85,893 → $140,313 (+63.4%)
Median home value	$161,400 → $233,100 (+44.4%)	$231,600 → $285,400 (+23.2%)
Median gross rent	$1,588 → $1,759 (+10.8%)	—

Boulder Hill

Population

10,2629,127

Median household income

$67,124$76,935

Median home value

$161,400$233,100

Median gross rent

$1,588$1,759

Plattville

Population

237200

Median household income

$85,893$140,313

Median home value

$231,600$285,400

Age & race/ethnicity

Age distribution (share)

	Boulder Hill	Plattville
Under 5	5.9%	9.5%
5 to 17	18.0%	23.0%
18 to 24	10.7%	10.0%
25 to 34	13.0%	8.5%
35 to 44	15.4%	15.0%
45 to 54	12.3%	10.0%
55 to 64	9.4%	14.0%
65 to 74	9.2%	6.5%
75 and over	6.2%	3.5%

Race & ethnicity (share)

	Boulder Hill	Plattville
White (non-Hispanic)	51.7%	78.5%
Black or African American	1.5%	1.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	1.6%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	2.6%	14.0%
Hispanic or Latino	42.5%	6.5%

Educational attainment (age 25+)

Share of adults 25+

	Boulder Hill	Plattville
No high school diploma	13.0%	6.1%
High school graduate	30.9%	21.7%
Some college or associate's	38.4%	44.3%
Bachelor's degree	13.1%	22.6%
Graduate or professional degree	4.5%	5.2%

Commute to work

How workers get to work (share)

	Boulder Hill	Plattville
Drove alone	76.8%	83.5%
Carpooled	10.9%	6.2%
Public transit	0.0%	0.0%
Walked	0.5%	0.0%
Bicycle	0.0%	0.0%
Worked from home	10.6%	8.2%
Other means	1.2%	2.1%

Housing

Units in structure (share)

	Boulder Hill	Plattville
1-unit, detached	90.9%	100.0%
1-unit, attached	3.1%	0.0%
2 to 4 units	2.6%	0.0%
5 to 19 units	1.1%	0.0%
20 or more units	1.3%	0.0%
Mobile home & other	1.0%	0.0%

Poverty & households

	Boulder Hill	Plattville
Poverty rate	7.0%	0.5%
Average household size	3.04	3.45
Mean commute (minutes)	29	37
Median year structure built	1970	1973