Petersburg Flag

Petersburg

County:
Boone County
County Seat:
No
Area (mi²):
6.278
State:
Kentucky

Petersburg is a CDP located in Boone County, Kentucky. Petersburg has a 2026 population of 512. Petersburg is currently declining at a rate of -1.16% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Petersburg is $101,389 with a poverty rate of 3.65%. The median age in Petersburg is 33.4 years: 34.3 years for males, and 31.7 years for females. For every 100 females there are 91.8 males.

512
Total Population
82
Density (mi²)
-6 -1.16%
Growth

Petersburg Population

Petersburg Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026512-6-1.16%
2025518-7-1.33%

Median Age

Overall: 33.4 years
Female: 31.7 years
Male: 34.3 years

Petersburg Adults

There are 490 adults, (92 of whom are seniors) in Petersburg.

Sex Ratio

Female: 402 (52.1%)
Male: 369 (47.9%)

Demographics

The racial composition of Petersburg includes 92.22% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White71192.22%
Two or more races607.78%
Race
Population ↓
Percentage (of total)
White71192.22%
Two or more races607.78%

Petersburg Marital Status

Economics and Income Statistics

Petersburg 's average per capita income is $42,436. Household income levels show a median of $101,389. The poverty rate stands at 3.65%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Families$102,361$100,832
Married Families$101,528-
Households$101,389$112,375
Non Families--

$42,436

Average Income

$101,389

Median Household Income

3.65%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)