Oacoma

Population: 505
Median household income: $70,250
Median home value: $165,800

Located in Lyman County, South Dakota, Oacoma is a community with a population of 505. At $70,250, its median household income sits above Lyman County's $61,169.

From 2019 to 2023, Oacoma's population grew 29.2% from 391 to 505, while its median home value rose 17.8% from $140,700 to $165,800.

21.3% of adults 25 and older hold a bachelor's degree or higher. Owners occupy 79.2% of the area's occupied homes.

Demographics

ACS 2019–2023

Population: 505
Median age: 45.8 yrs
Median household income: $70,250
Median home value: $165,800
Median gross rent: $847
Housing units: 269
Homeownership rate: 79.2%
Bachelor's degree or higher: 21.3%
Unemployment rate: 5.2%

Trends

ACS 5-year · 2019–2023

Population

391505

Median household income

$65,682$70,250

Median home value

$140,700$165,800

Median gross rent

$648$847

Year	Population	Median household income	Median home value	Median gross rent
2019	391	$65,682	$140,700	$648
2020	375	$65,714	$138,000	$633
2021	376	$66,389	$139,400	$771
2022	406	$67,083	$142,700	$744
2023	505	$70,250	$165,800	$847

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 57.7%

5 to 1716.6%

18 to 243.2%

25 to 348.1%

35 to 4412.9%

45 to 549.7%

55 to 6414.7%

65 to 7418.4%

75 and over8.7%

	Count	Share
Under 5	39	7.7%
5 to 17	84	16.6%
18 to 24	16	3.2%
25 to 34	41	8.1%
35 to 44	65	12.9%
45 to 54	49	9.7%
55 to 64	74	14.7%
65 to 74	93	18.4%
75 and over	44	8.7%

Race & ethnicity

	Count	Share
White (non-Hispanic)	483	95.6%
Black or African American	0	0.0%
American Indian & Alaska Native	8	1.6%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	0	0.0%
Hispanic or Latino (any race)	14	2.8%

Educational attainment (age 25+)

No high school diploma8.7%

High school graduate46.2%

Some college or associate's23.8%

Bachelor's degree15.6%

Graduate or professional degree5.7%

	Count	Share
No high school diploma	32	8.7%
High school graduate	169	46.2%
Some college or associate's	87	23.8%
Bachelor's degree	57	15.6%
Graduate or professional degree	21	5.7%

Commute to work

Mean travel time to work: 14 min

Drove alone80.1%

Carpooled9.3%

Public transit0.0%

Walked1.3%

Bicycle0.0%

Worked from home3.5%

Other means5.8%

How workers get to work

	Count	Share
Drove alone	181	80.1%
Carpooled	21	9.3%
Public transit	0	0.0%
Walked	3	1.3%
Bicycle	0	0.0%
Worked from home	8	3.5%
Other means	13	5.8%

Travel time

	Count	Share
Under 15 min	144	66.1%
15 to 29 min	39	17.9%
30 to 44 min	23	10.6%
45 to 59 min	9	4.1%
60+ min	3	1.4%

Households

Average household size: 2.29
Poverty rate: 4.8% (24 of 505)

	Count	Share
Family households	124	56.1%
Nonfamily households	97	43.9%

Housing

Median year structure built: 1985

Occupancy

	Count	Share
Occupied	221	82.2%
Vacant	48	17.8%

Tenure (of occupied units)

	Count	Share
Owner-occupied	175	79.2%
Renter-occupied	46	20.8%

1-unit, detached66.2%

1-unit, attached1.5%

2 to 4 units3.3%

5 to 19 units9.3%

20 or more units0.0%

Mobile home & other19.7%

Units in structure

	Count	Share
1-unit, detached	178	66.2%
1-unit, attached	4	1.5%
2 to 4 units	9	3.3%
5 to 19 units	25	9.3%
20 or more units	0	0.0%
Mobile home & other	53	19.7%

Geography

Place GEOID: 4646180
Type (LSAD): 43
Land area: 2.63 sq mi
Water area: 1.76 sq mi
Center point: 43.8045, -99.3661