ZIP Codes of Franklin County, VT

Population & People
Population & People
Total Population
47,072
Household Income
Household Income
Median Income
$82,101
Housing
Housing
Total Housing Units
21,702
Business & Economy
Business & Economy
Total Businesses
1,044
Employment
Employment
Employment Rate
62.02%
Education
Education
Bachelor's Degree+
29.69%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 18 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:18 ZIP Codes (13 Standard, 4 PO Box, 1 Unique) [See All]
Area Code:802
Timezone:Eastern (GMT -05:00)
Local Time:2:14:14 PM
Population:47,072 [See All]
FIPS:50011
CBSA:Burlington-South Burlington, VT
Land Area:652 sq mi
Water Area:57 sq mi
Coordinates:44.8615, -72.9125
Quick Link:
https://www.zip-codes.com/county/vt-franklin.asp
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Wide geographic spread
ZIPs range from 141.3 sq mi down to 1.12 — a 126× sprawl ratio.
Striking education divide
Bachelor's share spans 13.3% to 50.9% — a 38-point gap.

Standout ZIPs in this County


Most Populous
Saint Albans · 15,580 people
33.1% of county total
Highest Income
Fairfax · $128,212 median
1.6× county average
Largest Land Area
Enosburg Falls · 141.3 sq mi
Spans the most ground
Fastest Growth
Fairfield · 27.1% (10-yr)
1,012 → 1,286 residents
Most Educated
Fairfax · 50.7% bachelor's+
1,924 of 3,792 adults 25+

Things worth knowing about Franklin County


47,072 residents live across 18 ZIPs covering 652 sq mi, served by 18 distinct USPS-recognized cities.

Population moved from 44,487 to 47,072 from 2014 to 2024 — a +5.8% change. 8 ZIPs gained residents, 6 lost (and 1 held flat).

The county's wealthiest ZIP 05454 (Fairfax, $128,212 median) and poorest ZIP 05471 (Montgomery Center, $53,816) are 24.1 miles apart — a 2.4× income gap across local geography.

Median home values vary 1.9× across this county — from $196,700 in 05476 (Richford) to $372,400 in 05454 (Fairfax).

Density varies 18× across the county — from 15 people/sq mi in 05471 (Montgomery Center) to 269 in 05478 (Saint Albans).

Educational attainment ranges from 13.3% bachelor's+ in 05459 (Highgate Center) to 50.9% in 05471 (Montgomery Center) — the breadth of educational profiles across the area.

Within Vermont, this is the #5 most populous of 14 counties and ranks #8 for median household income with the #3 fastest decade growth .

Hosts 1 single-entity Unique ZIP: 05479Us Citizenship & Immigration .

Weighted by population, the typical household earns about $80,949 across the county — reflecting what a typical resident sees, not a simple ZIP average.

29.7% of adults age 25+ hold a bachelor's degree or higher (9,967 of 33,574 reporting).

13 Standard delivery, 4 PO Box only, 1 single-entity Unique ZIPs serve this county.

Stories about Franklin County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
652
square miles
Avg density
72.2
people per sq mi
Population
47,072
across 18 ZIPs
Enosburg Falls
141.3 sq mi
5,428 residents
Swanton
107.1 sq mi
8,469 residents
Richford
65.6 sq mi
3,218 residents

All ZIP Codes in Franklin County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
05478Saint AlbansStandard15,580$71,20357.911.1%
05488SwantonStandard8,469$77,154107.11.2%
05450Enosburg FallsStandard5,428$72,875141.310.4%
05454FairfaxStandard5,364$128,21248.514.7%
05476RichfordStandard3,218$57,36165.6-5.0%
05459Highgate CenterStandard1,925$88,64624.2-7.1%
05483SheldonStandard1,717$78,50521.513.4%
05457FranklinStandard1,696$96,87539.121.1%
05455FairfieldStandard1,286$110,14738.227.1%
05448East FairfieldStandard1,010$82,50040.9-4.4%
05471Montgomery CenterStandard719$53,81649.0-11.6%
05441BakersfieldStandard540$67,91710.5-52.3%
05447East BerkshireStandard1201.157.9%
05485Sheldon SpringsPO Box00.0-100.0%
05481Saint Albans BayPO Box00.0
05479Essex JunctionUnique0.0
05470MontgomeryPO Box0.0
05460Highgate SpringsPO Box7.5

Adjacent & Nearby Counties