39556 ZIP Code, Kiln, MS

39556 is a ZIP code in Kiln, Mississippi in Hancock County. It covers 103 square miles of land. The closest ZIP codes are 39525, 39571 and 39576. 6,041 people live here in 2,498 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (88%). Median household income is $60,739, close to the Mississippi median of $56,447; the median age is 48.9, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents6,041
Households2,498
Median household income$60,739
Income per person$31,802
Median age48.9
Homeowners88.2%
Median home value$171,200
Median rent$983
Bachelor's degree or higher12.9%
Average commute (minutes)32.4
Households with kids under 1825.9%
Moved in the past year8.5%
Below the poverty line20.7%
Broadband internet75.0%
Speak a non-English language at home1.8%

Household income

% of householdsValue
<$10K12.1%
$10–15K11.9%
$15–25K7.0%
$25–35K3.6%
$35–50K12.4%
$50–75K7.0%
$75–100K11.5%
$100–150K22.2%
$150–200K9.4%
$200K+2.8%

Age

% of all residentsValue
<107.8%
10–1910.8%
20–248.4%
25–346.1%
35–4411.8%
45–5412.1%
55–6419.0%
65–7413.2%
75+10.7%

Tenure

% of housing unitsValue
Owned, with mortgage31.3%
Owned outright42.0%
Rented9.7%
Vacant17.0%

Type of building

% of housing unitsValue
Detached house74.9%
Townhome0.0%
2–4 units0.0%
5–19 units0.8%
20+ units0.0%
Mobile / other24.3%

Businesses in 39556

90 business establishments with 597 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

39556 has 6 USPS carrier routes with 3,240 residential and 109 business mailboxes. Open the EDDM route map.

Carrier routes in 39556

39556 has 6 USPS carrier routes (6 rural (R)) with 3,240 residential and 109 business mailboxes. Routes range from 410 homes (R006) to 601 homes (R003); the median route has 559 homes. The Census counted 2,498 households in 39556 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per routeRoutes
1–2490
250–4991
500–7495
750–9990
1,000–1,4990
1,500+0

Best routes in 39556 for…

Most businesses

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

  1. Route R001 — USPS business mailboxes 40, 556 homes
  2. Route R005 — USPS business mailboxes 34, 525 homes
  3. Route R006 — USPS business mailboxes 12, 410 homes
  4. Route R004 — USPS business mailboxes 10, 586 homes
  5. Route R002 — USPS business mailboxes 7, 562 homes

Select these 5 routes on the route map

Every carrier route in 39556

RouteTypeHomesBusinessesEst. median incomeEst. ownersEst. families with kidsEst. moved in past year
R001Rural55640$51,754———
R002Rural5627$56,438———
R003Rural6016$75,399———
R004Rural58610$70,983———
R005Rural52534$51,754———
R006Rural41012$81,382———

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 39556 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 39556

Where it ranks

Mail every home in 39556

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) 39556, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 39556 in?
39556 is a Kiln, MS mailing address. By land area, 13% lies inside Kiln; the rest is outside any Census-defined city or community.
What county is 39556 in?
39556 is in Hancock County.
What is the population of 39556?
About 6,041 people (±717), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 7,403.
What is the median household income in 39556?
$60,739 (±$25,728), compared with $56,447 for Mississippi as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 39556?
6 USPS carrier routes with 3,240 residential and 109 business mailboxes (3,348 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 39556?
The closest, measured center to center: 39525 (5.3 mi, Diamondhead), 39571 (9.2 mi, Pass Christian), 39576 (10.8 mi, Waveland), 39529 (11.2 mi), 39520 (12.3 mi, Bay St. Louis) and 39466 (13 mi, Picayune).

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