Columbia vs Ilchester

A side-by-side comparison of Columbia and Ilchester: population, income, housing, and more.

Columbia and Ilchester are places in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Columbia has the higher population (105,871 vs 27,552 in Ilchester). Ilchester has the higher median household income ($150,783 vs $129,173 in Columbia). Ilchester has the higher median home value ($498,500 vs $480,300 in Columbia).

Population, income & housing

	Columbia	Ilchester
Population	105,871	27,552
Median age	39.1 yrs	36.3 yrs
Median household income	$129,173	$150,783
Median home value	$480,300	$498,500
Median gross rent	$1,998	$1,963
Housing units	43,344	10,043
Homeownership rate	64.9%	77.9%
Bachelor's degree or higher	63.5%	62.8%
Unemployment rate	4.5%	2.3%

Trends (ACS 5-year, 2019–2023)

	Columbia	Ilchester
Population	103,991 → 105,871 (+1.8%)	26,974 → 27,552 (+2.1%)
Median household income	$108,352 → $129,173 (+19.2%)	$126,566 → $150,783 (+19.1%)
Median home value	$378,300 → $480,300 (+27.0%)	$390,600 → $498,500 (+27.6%)
Median gross rent	$1,722 → $1,998 (+16.0%)	$1,799 → $1,963 (+9.1%)

Columbia

Population

103,991105,871

Median household income

$108,352$129,173

Median home value

$378,300$480,300

Median gross rent

$1,722$1,998

Ilchester

Population

26,97427,552

Median household income

$126,566$150,783

Median home value

$390,600$498,500

Median gross rent

$1,799$1,963

Age & race/ethnicity

Age distribution (share)

	Columbia	Ilchester
Under 5	5.4%	6.0%
5 to 17	15.7%	18.8%
18 to 24	8.9%	8.1%
25 to 34	14.1%	14.4%
35 to 44	14.4%	16.2%
45 to 54	12.2%	13.0%
55 to 64	13.1%	13.8%
65 to 74	9.0%	5.4%
75 and over	7.3%	4.3%

Race & ethnicity (share)

	Columbia	Ilchester
White (non-Hispanic)	43.8%	51.2%
Black or African American	28.3%	10.6%
American Indian & Alaska Native	0.1%	0.0%
Asian	11.8%	18.9%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.6%	0.5%
Two or more races	6.0%	6.1%
Hispanic or Latino	9.5%	12.7%

Educational attainment (age 25+)

Share of adults 25+

	Columbia	Ilchester
No high school diploma	4.4%	4.8%
High school graduate	11.8%	13.3%
Some college or associate's	20.3%	19.1%
Bachelor's degree	29.0%	30.6%
Graduate or professional degree	34.5%	32.2%

Commute to work

How workers get to work (share)

	Columbia	Ilchester
Drove alone	66.2%	65.7%
Carpooled	5.5%	6.1%
Public transit	2.9%	2.3%
Walked	1.6%	1.0%
Bicycle	0.0%	0.0%
Worked from home	22.3%	23.3%
Other means	1.4%	1.6%

Housing

Units in structure (share)

	Columbia	Ilchester
1-unit, detached	39.6%	45.2%
1-unit, attached	25.9%	24.3%
2 to 4 units	1.9%	3.8%
5 to 19 units	21.0%	13.9%
20 or more units	11.4%	6.4%
Mobile home & other	0.2%	6.4%

Poverty & households

	Columbia	Ilchester
Poverty rate	7.4%	4.0%
Average household size	2.55	2.80
Mean commute (minutes)	28	28
Median year structure built	1983	1994