Perth vs Rocklake
A side-by-side comparison of Perth and Rocklake: population, income, housing, and more.
Perth and Rocklake are places in North Dakota. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Rocklake has the higher population (106 vs 9 in Perth). Since 2019, Rocklake's population has grown faster (+17.8% vs -10.0%).
Population, income & housing
| Perth | Rocklake | |
|---|---|---|
| Population | 9 | 106 |
| Median age | 61.8 yrs | 53.9 yrs |
| Median household income | — | $54,375 |
| Median home value | — | $68,300 |
| Median gross rent | — | $560 |
| Housing units | 5 | 76 |
| Homeownership rate | 100.0% | 74.6% |
| Bachelor's degree or higher | 22.2% | 23.6% |
| Unemployment rate | 0.0% | 0.0% |
Trends (ACS 5-year, 2019–2023)
| Perth | Rocklake | |
|---|---|---|
| Population | 10 → 9 (-10.0%) | 90 → 106 (+17.8%) |
| Median household income | $91,250 → $158,125 (+73.3%) | $32,292 → $54,375 (+68.4%) |
| Median home value | — | $54,200 → $68,300 (+26.0%) |
| Median gross rent | — | $462 → $560 (+21.2%) |
Perth
109
$91,250$158,125
Rocklake
90106
$32,292$54,375
$54,200$68,300
$462$560
Age & race/ethnicity
Age distribution (share)
| Perth | Rocklake | |
|---|---|---|
| Under 5 | 0.0% | 2.8% |
| 5 to 17 | 0.0% | 2.8% |
| 18 to 24 | 0.0% | 10.4% |
| 25 to 34 | 0.0% | 7.5% |
| 35 to 44 | 0.0% | 11.3% |
| 45 to 54 | 0.0% | 16.0% |
| 55 to 64 | 55.6% | 22.6% |
| 65 to 74 | 44.4% | 19.8% |
| 75 and over | 0.0% | 6.6% |
Race & ethnicity (share)
| Perth | Rocklake | |
|---|---|---|
| White (non-Hispanic) | 100.0% | 97.2% |
| Black or African American | 0.0% | 0.0% |
| 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% | 0.0% |
| Two or more races | 0.0% | 2.8% |
| Hispanic or Latino | 0.0% | 0.0% |
Educational attainment (age 25+)
Share of adults 25+
| Perth | Rocklake | |
|---|---|---|
| No high school diploma | 0.0% | 11.2% |
| High school graduate | 22.2% | 21.3% |
| Some college or associate's | 55.6% | 43.8% |
| Bachelor's degree | 22.2% | 18.0% |
| Graduate or professional degree | 0.0% | 5.6% |
Commute to work
How workers get to work (share)
| Perth | Rocklake | |
|---|---|---|
| Drove alone | 100.0% | 79.5% |
| Carpooled | 0.0% | 1.3% |
| Public transit | 0.0% | 0.0% |
| Walked | 0.0% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 0.0% | 19.2% |
| Other means | 0.0% | 0.0% |
Housing
Units in structure (share)
| Perth | Rocklake | |
|---|---|---|
| 1-unit, detached | 100.0% | 72.4% |
| 1-unit, attached | 0.0% | 0.0% |
| 2 to 4 units | 0.0% | 13.2% |
| 5 to 19 units | 0.0% | 6.6% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 0.0% | 7.9% |
Poverty & households
| Perth | Rocklake | |
|---|---|---|
| Poverty rate | 0.0% | 8.5% |
| Average household size | 1.80 | 1.68 |
| Mean commute (minutes) | — | 26 |
| Median year structure built | — | 1971 |
Full profiles
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