Merrimac vs Rock Springs

A side-by-side comparison of Merrimac and Rock Springs: population, income, housing, and more.

Merrimac and Rock Springs are places in Wisconsin. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Merrimac has the higher population (575 vs 310 in Rock Springs). Merrimac has the higher median household income ($102,344 vs $76,250 in Rock Springs). Merrimac has the higher median home value ($274,200 vs $161,200 in Rock Springs).

Population, income & housing

	Merrimac	Rock Springs
Population	575	310
Median age	38.0 yrs	37.8 yrs
Median household income	$102,344	$76,250
Median home value	$274,200	$161,200
Median gross rent	$1,050	$850
Housing units	303	138
Homeownership rate	81.1%	78.9%
Bachelor's degree or higher	32.7%	10.0%
Unemployment rate	1.3%	3.2%

Trends (ACS 5-year, 2019–2023)

	Merrimac	Rock Springs
Population	603 → 575 (-4.6%)	296 → 310 (+4.7%)
Median household income	$69,722 → $102,344 (+46.8%)	$56,000 → $76,250 (+36.2%)
Median home value	$197,000 → $274,200 (+39.2%)	$121,300 → $161,200 (+32.9%)
Median gross rent	$1,091 → $1,050 (-3.8%)	$835 → $850 (+1.8%)

Merrimac

Population

603575

Median household income

$69,722$102,344

Median home value

$197,000$274,200

Median gross rent

$1,091$1,050

Rock Springs

Population

296310

Median household income

$56,000$76,250

Median home value

$121,300$161,200

Median gross rent

$835$850

Age & race/ethnicity

Age distribution (share)

	Merrimac	Rock Springs
Under 5	7.5%	6.1%
5 to 17	15.7%	15.2%
18 to 24	8.7%	4.8%
25 to 34	8.7%	17.4%
35 to 44	15.7%	12.3%
45 to 54	11.8%	6.1%
55 to 64	13.6%	19.4%
65 to 74	10.8%	16.1%
75 and over	7.7%	2.6%

Race & ethnicity (share)

	Merrimac	Rock Springs
White (non-Hispanic)	84.7%	96.8%
Black or African American	3.5%	2.3%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.6%
Two or more races	2.1%	0.3%
Hispanic or Latino	9.7%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Merrimac	Rock Springs
No high school diploma	13.5%	8.3%
High school graduate	27.8%	40.6%
Some college or associate's	26.0%	41.0%
Bachelor's degree	19.1%	7.4%
Graduate or professional degree	13.5%	2.6%

Commute to work

How workers get to work (share)

	Merrimac	Rock Springs
Drove alone	81.0%	93.8%
Carpooled	8.8%	2.3%
Public transit	0.0%	0.0%
Walked	0.3%	0.0%
Bicycle	0.0%	0.0%
Worked from home	6.5%	4.0%
Other means	3.4%	0.0%

Housing

Units in structure (share)

	Merrimac	Rock Springs
1-unit, detached	82.8%	90.6%
1-unit, attached	2.3%	2.2%
2 to 4 units	1.7%	0.0%
5 to 19 units	12.5%	5.1%
20 or more units	0.0%	0.0%
Mobile home & other	0.7%	2.2%

Poverty & households

	Merrimac	Rock Springs
Poverty rate	4.9%	9.4%
Average household size	2.40	2.33
Mean commute (minutes)	32	20
Median year structure built	1964	1938