ZIP Codes of Lincoln County, CO

Population & People
Population & People
Total Population
5,674
Household Income
Household Income
Median Income
$55,299
Housing
Housing
Total Housing Units
2,314
Business & Economy
Business & Economy
Total Businesses
153
Employment
Employment
Employment Rate
45.90%
Education
Education
Bachelor's Degree+
25.17%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:6 ZIP Codes (5 Standard, 0 PO Box, 1 Unique) [See All]
Area Codes:719 / 970
Timezone:Mountain (GMT -07:00)
Local Time:2:11:33 PM
Population:5,674 [See All]
FIPS:08073
Land Area:2,169 sq mi
Water Area:8 sq mi
Coordinates:39.1603, -103.5098
Quick Link:
https://www.zip-codes.com/county/co-lincoln.asp
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Colorado's #45 most populous county
5,674 residents across 6 ZIPs — #45 of 65 Colorado counties.

Standout ZIPs in this County


Most Populous
Limon · 2,427 people
42.8% of county total
Highest Income
Limon · $67,708 median
1.2× county average
Largest Land Area
Hugo · 679.5 sq mi
Spans the most ground
Fastest Growth
Limon · -33.4% (10-yr)
3,645 → 2,427 residents
Most Educated
Limon · 35.3% bachelor's+
601 of 1,702 adults 25+

Things worth knowing about Lincoln County


5,674 residents live across 6 ZIPs covering 2,169 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 5,429 to 4,729 from 2014 to 2024 — a -12.9% change. 4 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 80828 (Limon, $67,708 median) and poorest ZIP 80823 (Karval, $42,917) are 39.9 miles apart — a 1.6× income gap across local geography.

Median home values vary 1.9× across this county — from $141,100 in 80804 (Arriba) to $264,500 in 80821 (Hugo).

Density varies 7561× across the county — from 1 people/sq mi in 80823 (Karval) to 3,854 in 80826 (Limon).

Educational attainment ranges from 17.4% bachelor's+ in 80804 (Arriba) to 35.3% in 80828 (Limon) — the breadth of educational profiles across the area.

Within Colorado, this is the #45 most populous of 65 counties and ranks #52 for median household income .

Hosts 1 single-entity Unique ZIP: 80826Limon Correctional Facility .

Weighted by population, the typical household earns about $63,184 across the county — reflecting what a typical resident sees, not a simple ZIP average.

25.2% of adults age 25+ hold a bachelor's degree or higher (1,062 of 4,220 reporting).

5 Standard delivery, 0 PO Box only, 1 single-entity Unique ZIPs serve this county.

Stories about Lincoln 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
2,169
square miles
Avg density
2.6
people per sq mi
Population
5,674
across 6 ZIPs
Hugo
679.5 sq mi
1,336 residents
Limon
458.2 sq mi
2,427 residents
Karval
386.5 sq mi
197 residents

All ZIP Codes in Lincoln County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
80828LimonStandard2,427$67,708458.2-33.4%
80821HugoStandard1,336$66,071679.534.9%
80826LimonUnique9450.2
80804ArribaStandard432$43,281296.030.9%
80818GenoaStandard337$56,518348.516.6%
80823KarvalStandard197$42,917386.512.6%

Adjacent & Nearby Counties