80737 ZIP Code, Julesburg, CO

80737 is a ZIP code in Julesburg, Colorado in Sedgwick County. It covers 250 square miles of land. The closest ZIP codes are 80744, 80721 and 69168. 1,420 people live here in 654 households. It is rural, with fewer than 100 people per square mile, and owners and renters are mixed (69% own). Median household income is $52,500, well below the Colorado median of $95,470.

Quick facts

Key figures

MeasureValue
Residents1,420
Households654
Median household income$52,500
Income per person$31,153
Median age42.8
Homeowners69.4%
Median home value$161,700
Median rent$760
Bachelor's degree or higher26.5%
Average commute (minutes)12.6
Households with kids under 1823.5%
Moved in the past year10.6%
Below the poverty line15.8%
Broadband internet87.8%
Speak a non-English language at home10.1%

Household income

% of householdsValue
<$10K8.3%
$10–15K2.8%
$15–25K15.3%
$25–35K9.2%
$35–50K14.1%
$50–75K18.7%
$75–100K11.2%
$100–150K16.1%
$150–200K2.4%
$200K+2.1%

Age

% of all residentsValue
<1013.3%
10–1911.5%
20–244.4%
25–3410.8%
35–4413.2%
45–548.0%
55–6415.0%
65–7414.9%
75+9.0%

Tenure

% of housing unitsValue
Owned, with mortgage26.1%
Owned outright31.5%
Rented25.4%
Vacant17.0%

Type of building

% of housing unitsValue
Detached house75.3%
Townhome1.0%
2–4 units11.0%
5–19 units4.0%
20+ units5.2%
Mobile / other3.6%

Businesses in 80737

60 business establishments with 375 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

80737 has 4 USPS carrier routes with 703 residential and 82 business mailboxes. Open the EDDM route map.

Carrier routes in 80737

80737 has 4 USPS carrier routes (1 city (C), 2 rural (R), 1 highway contract (H)) with 703 residential and 82 business mailboxes. Routes range from 33 homes (R001) to 471 homes (C002); the median route has 100 homes. The Census counted 654 households in 80737 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2493
250–4991
500–7490
750–9990
1,000–1,4990
1,500+0

Best routes in 80737 for…

Most businesses

For B2B offers: office supplies, cleaning, IT, catering and commercial services.

  1. Route C002 — USPS business mailboxes 62, 471 homes
  2. Route R003 — USPS business mailboxes 13, 164 homes
  3. Route R001 — USPS business mailboxes 6, 33 homes
  4. Route H060 — USPS business mailboxes 1, 35 homes

Select these 4 routes on the route map

Every carrier route in 80737

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
C002City47162$64,867———
H060Highway contract351$64,867———
R001Rural336$64,867———
R003Rural16413$64,867———

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 80737 on the EDDM route map.

How route demographics are estimated

Mailbox counts come from USPS; demographics are estimates

The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).

How a route gets its figures: the block-group length-share method

We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.

Margins of error

Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.

Different years

USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.

Why some routes show identical figures

Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.

Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Nearby ZIP codes

Areas that include 80737

Mail every home in 80737

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 80737, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 80737 in?
80737 is a Julesburg, CO mailing address. None of its land lies inside a Census-defined city or community.
What county is 80737 in?
80737 is in Sedgwick County.
What is the population of 80737?
About 1,420 people (±172), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,615.
What is the median household income in 80737?
$52,500 (±$12,243), compared with $95,470 for Colorado as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 80737?
4 USPS carrier routes with 703 residential and 82 business mailboxes (784 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 80737?
The closest, measured center to center: 80744 (10.2 mi, Ovid), 80721 (14.5 mi, Amherst), 69168 (15.2 mi, Venango), 69122 (15.3 mi, Big Springs), 80749 (18.3 mi, Sedgwick) and 69129 (19.1 mi, Chappell).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.