PlainZIP

Thornburg, IA

Single-footprint Census roll-up for Thornburg, IA: 1 USPS ZIP, population 65. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet THORNBURG-IA · Thornburg, IA 1 ZIPs · 65 pop · #23963/25278 · Keokuk County

INC-LOW · RANK-BOTTOM · BELOW-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-UNK

  • INC-LOW $39,722
  • RANK-BOTTOM #23963/25278
  • BELOW-PEER under South English
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 100% owners
  • POP-VILLAGE 65
  • SPREAD-UNK Single-ZIP book
  • HOME-UNK Homes pending

Nearest income peer: South English, IA (+ $12,440 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Thornburg

Lowest/highest poles plus county-sharing cities nearest Thornburg on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Thornburg, IA sits among US cities with one of the lowest household incomes among US cities, on a village-scale population base, across a single-ZIP footprint.

5th pct
household income vs 25,278 US cities
65
city population (Census)
1
USPS ZIP codes covered
$39,722
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Lower-income footing on only 1 ZIP ($39,722 average) · poverty 7.8%. The primary code (50255) carries the ACS household fields that matter.

Owner-occupancy here runs high (100.0%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Iowa, Popejoy is the closest lower-income city and Oxford Junction the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Thornburg.

Population concentration

Thornburg's single ZIP 50255 carries the town

Thornburg is published as a single USPS ZIP. Code 50255 is the entire residential footprint (65 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

No ZBP establishments filed for Thornburg's ZIPs

Census County Business Patterns has no establishment rows joined to the ACS ZIPs mapped to Thornburg. Read demography on this page; business counts are absent for this footprint.

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ZIP Codes in Thornburg, IA

These ZIP codes sit in Keokuk County, which covers 12 ZIP codes in all; 1 of them fall in Thornburg. See the Keokuk County roll-up →

Every one of the 11 cities sharing Keokuk County reports a higher average ZIP median income than Thornburg, Sigourney, Keota and Hedrick among them. That gap is the county's income spread, not a measure of the housing or commute picture below. Hedrick marks the far end of that range at $98,438, 148% above Thornburg.

ZIP Code Population Median income Establishments Density
50255 65 $39,722 n/a 142
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Thornburg roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Thornburg, .