Rock Island

Population: 1,142
Median household income: $55,114
Median home value: $255,500

Located in Douglas County, Washington, Rock Island is a community with a population of 1,142. At $55,114, its median household income sits below Douglas County's $80,374.

From 2019 to 2023, Rock Island's population grew 19.8% from 953 to 1,142, while its median home value rose 63.3% from $156,500 to $255,500.

The median resident is 36.4 years old. The largest age group is 5 to 17, 22.9% of residents.

Demographics

ACS 2019–2023

Population: 1,142
Median age: 36.4 yrs
Median household income: $55,114
Median home value: $255,500
Median gross rent: $1,094
Housing units: 414
Homeownership rate: 84.0%
Bachelor's degree or higher: 10.3%
Unemployment rate: 1.7%

Trends

ACS 5-year · 2019–2023

Population

9531,142

Median household income

$48,611$55,114

Median home value

$156,500$255,500

Median gross rent

$618$1,094

Year	Population	Median household income	Median home value	Median gross rent
2019	953	$48,611	$156,500	$618
2020	1,240	$50,875	$165,900	$930
2021	1,393	$50,000	$182,100	$829
2022	1,259	$53,359	$217,000	$842
2023	1,142	$55,114	$255,500	$1,094

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

Age distribution

Under 55.7%

5 to 1722.9%

18 to 244.6%

25 to 3414.7%

35 to 4412.8%

45 to 5415.9%

55 to 6411.0%

65 to 746.7%

75 and over5.8%

	Count	Share
Under 5	65	5.7%
5 to 17	261	22.9%
18 to 24	52	4.6%
25 to 34	168	14.7%
35 to 44	146	12.8%
45 to 54	182	15.9%
55 to 64	126	11.0%
65 to 74	76	6.7%
75 and over	66	5.8%

Race & ethnicity

	Count	Share
White (non-Hispanic)	530	46.4%
Black or African American	23	2.0%
American Indian & Alaska Native	5	0.4%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	17	1.5%
Hispanic or Latino (any race)	567	49.6%

Educational attainment (age 25+)

No high school diploma30.5%

High school graduate28.5%

Some college or associate's30.6%

Bachelor's degree6.2%

Graduate or professional degree4.2%

	Count	Share
No high school diploma	233	30.5%
High school graduate	218	28.5%
Some college or associate's	234	30.6%
Bachelor's degree	47	6.2%
Graduate or professional degree	32	4.2%

Commute to work

Mean travel time to work: 23 min

Drove alone79.8%

Carpooled10.2%

Public transit0.0%

Walked3.9%

Bicycle0.0%

Worked from home3.9%

Other means2.2%

How workers get to work

	Count	Share
Drove alone	408	79.8%
Carpooled	52	10.2%
Public transit	0	0.0%
Walked	20	3.9%
Bicycle	0	0.0%
Worked from home	20	3.9%
Other means	11	2.2%

Travel time

	Count	Share
Under 15 min	76	15.5%
15 to 29 min	291	59.3%
30 to 44 min	75	15.3%
45 to 59 min	23	4.7%
60+ min	26	5.3%

Households

Average household size: 2.81
Poverty rate: 9.4% (106 of 1,133)

	Count	Share
Family households	302	74.2%
Nonfamily households	105	25.8%

Housing

Median year structure built: 1977

Occupancy

	Count	Share
Occupied	407	98.3%
Vacant	7	1.7%

Tenure (of occupied units)

	Count	Share
Owner-occupied	342	84.0%
Renter-occupied	65	16.0%

1-unit, detached64.0%

1-unit, attached0.0%

2 to 4 units0.0%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other36.0%

Units in structure

	Count	Share
1-unit, detached	265	64.0%
1-unit, attached	0	0.0%
2 to 4 units	0	0.0%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	149	36.0%

Geography

Place GEOID: 5359180
Type (LSAD): 25
Land area: 1.13 sq mi
Water area: 0.27 sq mi
Center point: 47.3732, -120.1421