Onaga vs St. Marys

A side-by-side comparison of Onaga and St. Marys: population, income, housing, and more.

Onaga and St. Marys are places in Kansas. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

St. Marys has the higher population (2,795 vs 680 in Onaga). St. Marys has the higher median household income ($71,723 vs $46,042 in Onaga). St. Marys has the higher median home value ($196,300 vs $95,400 in Onaga).

Population, income & housing

	Onaga	St. Marys
Population	680	2,795
Median age	58.3 yrs	25.8 yrs
Median household income	$46,042	$71,723
Median home value	$95,400	$196,300
Median gross rent	$855	$863
Housing units	348	897
Homeownership rate	49.6%	64.6%
Bachelor's degree or higher	28.3%	21.0%
Unemployment rate	2.4%	3.0%

Trends (ACS 5-year, 2019–2023)

	Onaga	St. Marys
Population	751 → 680 (-9.5%)	2,714 → 2,795 (+3.0%)
Median household income	$44,375 → $46,042 (+3.8%)	$60,656 → $71,723 (+18.2%)
Median home value	$65,400 → $95,400 (+45.9%)	$151,100 → $196,300 (+29.9%)
Median gross rent	$595 → $855 (+43.7%)	$723 → $863 (+19.4%)

Onaga

Population

751680

Median household income

$44,375$46,042

Median home value

$65,400$95,400

Median gross rent

$595$855

St. Marys

Population

2,7142,795

Median household income

$60,656$71,723

Median home value

$151,100$196,300

Median gross rent

$723$863

Age & race/ethnicity

Age distribution (share)

	Onaga	St. Marys
Under 5	1.6%	8.9%
5 to 17	12.2%	19.6%
18 to 24	2.6%	17.5%
25 to 34	10.3%	17.1%
35 to 44	12.1%	8.1%
45 to 54	7.4%	4.5%
55 to 64	18.8%	9.7%
65 to 74	13.2%	8.5%
75 and over	21.8%	6.0%

Race & ethnicity (share)

	Onaga	St. Marys
White (non-Hispanic)	92.5%	83.5%
Black or African American	0.0%	0.5%
American Indian & Alaska Native	0.9%	0.3%
Asian	3.1%	1.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	2.3%
Two or more races	1.9%	4.2%
Hispanic or Latino	1.6%	8.2%

Educational attainment (age 25+)

Share of adults 25+

	Onaga	St. Marys
No high school diploma	7.6%	3.0%
High school graduate	41.7%	32.1%
Some college or associate's	22.4%	43.9%
Bachelor's degree	25.7%	16.7%
Graduate or professional degree	2.6%	4.2%

Commute to work

How workers get to work (share)

	Onaga	St. Marys
Drove alone	76.3%	70.9%
Carpooled	8.2%	14.3%
Public transit	0.0%	0.0%
Walked	5.7%	8.7%
Bicycle	0.0%	0.0%
Worked from home	7.5%	5.1%
Other means	2.2%	0.9%

Housing

Units in structure (share)

	Onaga	St. Marys
1-unit, detached	73.0%	78.6%
1-unit, attached	0.9%	4.8%
2 to 4 units	8.9%	10.3%
5 to 19 units	7.2%	5.4%
20 or more units	8.3%	0.0%
Mobile home & other	1.7%	1.0%

Poverty & households

	Onaga	St. Marys
Poverty rate	12.9%	7.9%
Average household size	2.19	3.31
Mean commute (minutes)	20	16
Median year structure built	1953	1970