ZIP Codes of Delta County, CO

Population & People
Population & People
Total Population
32,111
Household Income
Household Income
Median Income
$60,804
Housing
Housing
Total Housing Units
15,341
Business & Economy
Business & Economy
Total Businesses
887
Employment
Employment
Employment Rate
47.57%
Education
Education
Bachelor's Degree+
26.38%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 9 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:9 ZIP Codes (7 Standard, 2 PO Box, 0 Unique) [See All]
Area Code:970
Timezone:Mountain (GMT -07:00)
Local Time:2:11:32 PM
Population:32,111 [See All]
FIPS:08029
Land Area:1,544 sq mi
Water Area:8 sq mi
Coordinates:38.8281, -107.8784
Quick Link:
https://www.zip-codes.com/county/co-delta.asp
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Colorado's #18 most populous county
32,111 residents across 9 ZIPs — #18 of 65 Colorado counties.

Standout ZIPs in this County


Most Populous
Delta · 14,256 people
44.4% of county total
Highest Income
Paonia · $75,799 median
1.2× county average
Largest Land Area
Delta · 457.5 sq mi
Spans the most ground
Fastest Growth
Crawford · 36.0% (10-yr)
1,438 → 1,955 residents
Most Educated
Paonia · 41.0% bachelor's+
1,248 of 3,047 adults 25+

Things worth knowing about Delta County


32,111 residents live across 9 ZIPs covering 1,544 sq mi, served by 9 distinct USPS-recognized cities.

Population moved from 31,276 to 32,111 from 2014 to 2024 — a +2.7% change. 4 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 81428 (Paonia, $75,799 median) and poorest ZIP 81416 (Delta, $50,243) are 35.9 miles apart — a 1.5× income gap across local geography.

Median home values vary 1.6× across this county — from $266,000 in 81418 (Eckert) to $432,700 in 81428 (Paonia).

Density varies across the county — from 6 people/sq mi in 81415 (Crawford) to 55 in 81410 (Austin).

Educational attainment ranges from 13.5% bachelor's+ in 81418 (Eckert) to 41.0% in 81428 (Paonia) — the breadth of educational profiles across the area.

Within Colorado, this is the #18 most populous of 65 counties and ranks #48 for median household income .

Weighted by population, the typical household earns about $57,200 across the county — reflecting what a typical resident sees, not a simple ZIP average.

26.4% of adults age 25+ hold a bachelor's degree or higher (6,286 of 23,825 reporting).

7 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Delta 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
1,544
square miles
Avg density
20.8
people per sq mi
Population
32,111
across 9 ZIPs
Delta
457.5 sq mi
14,256 residents
Crawford
322.6 sq mi
1,955 residents
Paonia
265.1 sq mi
3,788 residents

All ZIP Codes in Delta County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
81416DeltaStandard14,256$50,243457.53.4%
81413CedaredgeStandard5,149$58,465140.32.7%
81428PaoniaStandard3,788$75,799265.1-2.4%
81419HotchkissStandard3,646$59,735212.2-3.8%
81415CrawfordStandard1,955$59,141322.636.0%
81418EckertStandard1,945$54,417121.28.9%
81410AustinStandard1,372$67,82624.9-13.0%
81420LazearPO Box0.0
81414CoryPO Box0.0

Adjacent & Nearby Counties