County ZIP codes · Colorado · FIPS 08121

Washington County, CO ZIP Codes

Washington County, Colorado has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Washington County and 6 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $65,913 in 80720 (Akron) to $75,691 in 80723 (Brush) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Washington County?

The residential ZIP codes of Washington County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

80720 · $66k 80723 · $76k

They carry 12 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 12 residential ZIP codes in Washington County

6 ZIP codes lie mainly in Washington County; 6 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Washington County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
80720	Akron	2,247	2	$66k	$219k	100%
80743	Otis	1,333	3	$68k	$226k	100%
80812	Cope	298	2	$70k	$188k	96%
80757	Woodrow	216	1	$53k	$254k	100%
80801	Anton	100	1	$23k	$254k	100%
80740	Lindon	94	1	$38k	$235k	100%

Partly in Washington County

Residential ZIP codes mainly in another county that reach at least 1% into Washington County, by their share here
						In this county
80733	Hillrose	625	27	$87k	$232k	40%
80815	Flagler	923	2	$52k	$251k	27%
80723	Brush	6,892	26	$76k	$307k	17%
80818	Genoa	337	1	$57k	$245k	13%
80759	Yuma	4,931	8	$52k	$200k	8%
80741	Merino	936	4	$85k	$262k	7%

Download the 12 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

7 ZIP codes of Washington County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Washington County and in the neighboring counties
ZIP	In Washington	Elsewhere
80723	17%	Morgan County 83%
80759	8%	Yuma County 92%
80741	7%	Logan County 78%; Morgan County 15%
80815	27%	Kit Carson County 73%
80733	40%	Morgan County 60%
80818	13%	Lincoln County 87%
80812	96%	Yuma County 4%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Washington County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Washington County's ZIP codes use 2 prefixes: 807 and 808.

Three-digit prefixes of Washington County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Washington County's
Prefix	Sectional center	Here	All codes
807	Denver, CO (SCF 800)	8	33
808	Colorado Springs, CO (SCF 808)	4	41

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.