What is the largest city in Boone County, KY?

Florence is the largest city or town in Boone County, with about 32,803 residents.

How many ZIP codes are in Boone County?

Boone County includes 7 ZIP Code Tabulation Areas, including 41005, 41042, 41048, 41080, 41091.

What is the population of Boone County, KY?

About 139,841 people live in Boone County, based on American Community Survey 5-year estimates.

What counties border Boone County?

Boone County borders Hamilton County, OH, Kenton County, Dearborn County, IN, Grant County, Switzerland County, IN, Gallatin County, Ohio County, IN.

Boone County, KY: Cities, ZIP Codes & Local Data

Population

139,841

Land area

246sq mi

People per sq mi

568

ZIP codes

7

Boone County at a glance

Boone County is about 4.9 times as dense as Kentucky as a whole.
It is the 5th most populous of 120 counties in Kentucky.
Households here earn a median of $99,414 a year, 56% more than the Kentucky figure of $63,726.
A typical owner-occupied home is valued at $277,300 (35% above Kentucky) and median rent is $1,373 a month.
The biggest population centers are Florence (32,803), Burlington (18,008) and Francisville (10,565).

Local data for Boone County, KY

Counts from official public data

Housing and community stats

Boone County, KY, American Community Survey 2020-2024

Full profile

Median household income

$99,414

Poverty rate

6.3%

Median home value

$277,300

Prices +3.2% in a year

Median rent

$1,373/mo

Homeownership

76.3%

Bachelor's or higher

35.7%

Median age

37.7

Average commute

25.0 min

Largest reported origins and ancestries: German Americans (36,087), Irish Americans (19,560), Italian Americans (5,566).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

3.9%

Sep 2026, +0.1 pts in a year

Average annual pay

$60,495

105,521 jobs, 2025

Income per person

$64,196

BEA, 2024

Federal spending

$854M

FY 2026, $6,283 per person

PPP loans

$258M

2,886 loans, 30,027 jobs reported

Campaign donations

$550K

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Boone County, KY, workers 16 and older. American Community Survey 5-year estimates

Drove alone77.0%
Carpooled7.3%
Public transit0.4%
Walked0.3%
Bicycle0.1%
Taxi, ride-hailing, motorcycle or other1.6%
Worked from home13.4%

Average one-way commute: 25.0 minutes for people who do not work from home.

Environment and hazard risk

Boone County, KY, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: strong wind

Storm events since 1996

488

Most often thunderstorm wind

Flood insurance policies

54

0.1% of homes, county

July high / Jan low

86° / 23°F

45.3 inches of rain a year

Hazards, floods and storm history Check a flood zone 81 historic places

Cities, towns and ZIP codes in Boone County

Population shown

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Frequently asked questions

What is the largest city in Boone County, KY?: Florence is the largest city or town in Boone County, with about 32,803 residents.
How many ZIP codes are in Boone County?: Boone County includes 7 ZIP Code Tabulation Areas, including 41005, 41042, 41048, 41080, 41091.
What is the population of Boone County, KY?: About 139,841 people live in Boone County, based on American Community Survey 5-year estimates.
What counties border Boone County?: Boone County borders Hamilton County, OH, Kenton County, Dearborn County, IN, Grant County, Switzerland County, IN, Gallatin County, Ohio County, IN.