Rock Grove township is located in Stephenson County Illinois. Rock Grove township has a 2024 population of 1,435. Rock Grove township is currently declining at a rate of -1.03% annually and its population has decreased by -3.88% since the most recent census, which recorded a population of 1,493 in 2020.
The average household income in Rock Grove township is $112,579 with a poverty rate of 9.94%. The median age in Rock Grove township is 40.5 years: 49.6 years for males, and 39.1 years for females.
According to the most recent ACS, the racial composition of Rock Grove township was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,569 | 96.32% |
| Asian | 23 | 1.41% |
| Two or more races | 19 | 1.17% |
| Black or African American | 18 | 1.1% |
| Native American | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Other race | 0 | 0% |
White
Asian
Two or more races
Black or African American
Native American
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 586 | 2.78 | 88.1 | 11.9 |
| Married | 382 | 2.96 | 96.6 | 3.4 |
| Non Family | 106 | 1.37 | 86.8 | 13.2 |
| Female | 79 | 3.76 | 45.6 | 54.4 |
| Male | 19 | 2.95 | 100 | 0 |
3.04
Average Family Size
2.78
Average Household Size
88.1%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 32 | 3.13% |
| Associates Degree | 172 | 16.81% |
| Bachelors Degree | 154 | 15.05% |
| Graduate Degree | 127 | 12.41% |
| High School Graduate | 311 | 30.4% |
| Less Than 9th Grade | 0 | 0% |
| Some College | 227 | 22.19% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 983 | 951 | 258 |
| Asian | 23 | 23 | 23 |
| Hispanic | 17 | 17 | 0 |
The highest rate of high school graduation is among asian people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 100%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $57,000 | $0 | $56,000 |
| Graduate Degree | $86,458 | $0 | $81,528 |
| High School Graduate | $80,023 | $80,880 | $0 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $70,481 | $81,088 | $48,578 |
| Some College | $48,233 | $85,403 | $47,337 |
$70,481
Average Earnings
$81,088
Average Male
$48,578
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
96.77% of Rock Grove township residents speak only English, while 3.23% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.17% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 1,465 | 162 | 11.06% |
9.94%
Overall Poverty Rate
5.91%
Male Poverty Rate
13.21%
Female Poverty Rate
The race most likely to be in poverty in Rock Grove township is White, with 11.06% below the poverty level.
The race least likely to be in poverty in Rock Grove township is White, with 11.06% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.16%. Among those working part-time, it was 25.48%, and for those that did not work, the poverty rate was 7.69%.
rate
Rate | Poverty |
|---|---|
| High School | 11.58% |
| Some College | 6.27% |
| Bachelors or Greater | 3.91% |
| Less Than 9th Grade | 0% |
rate
Rate | Poverty |
|---|---|
| Female Employed | 13.25% |
| Male Employed | 7.35% |
| Male Unemployed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $84,800 | $114,054 |
| Households | $84,700 | $112,579 |
| Married Families | $107,292 | $-999,999,999 |
| Non Families | $77,155 | $85,570 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
58.4%
Overall Marriage Rate
69.1%
Male Marriage Rate
49.2%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is Over 65.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
84
Number of Veterans
76
Male Veterans
8
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 42 |
| First Gulf War | 13 |
| Second Gulf War | 8 |
| Korea | 4 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 65 to 74 | 35 |
| 75+ | 35 |
| 55 to 64 | 9 |
| 35 to 54 | 5 |
| 18 to 34 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 84 | 7.79% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
10.71%
Veteran Poverty Rate
20.24%
Veteran Disability Rate
LaborForceParticipation
51.9%
Labor Force Participation
49.2%
Employment Rate
5.1%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
64.58%
Born in Rock Grove township
97.73%
Native Born
2.27%
Foreign Born
1.41%
Non Citizen
0.86%
Naturalized
97.73% of Rock Grove township residents were born in the United States, with 64.58% having been born in Illinois. 1.41% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 1,360 | -15 | -1.09% |
| 2028 | 1,375 | -15 | -1.08% |
| 2027 | 1,390 | -15 | -1.07% |
| 2026 | 1,405 | -15 | -1.06% |
| 2025 | 1,420 | -15 | -1.05% |
| 2024 | 1,435 | -15 | -1.03% |
| 2023 | 1,450 | -15 | -1.02% |
| 2022 | 1,465 | -14 | -0.95% |
| 2021 | 1,479 | -14 | -0.94% |
| 2020 | 1,493 | 182 | 13.88% |
| 2019 | 1,311 | -8 | -0.61% |
| 2018 | 1,319 | -6 | -0.45% |
| 2017 | 1,325 | -14 | -1.05% |
| 2016 | 1,339 | -3 | -0.22% |
| 2015 | 1,342 | -17 | -1.25% |
| 2014 | 1,359 | -9 | -0.66% |
| 2013 | 1,368 | -4 | -0.29% |
| 2012 | 1,372 | -11 | -0.8% |
| 2011 | 1,383 | -4 | -0.29% |
| 2010 | 1,387 | 0 | 0% |